The lichen symbiosis re-viewed through the genomes of Cladonia grayi and its algal partner Asterochloris glomerata
- Autores
- Armaleo, Daniele; Müller, Olaf; Lutzoni, François; Andrésson, Ólafur S.; Blanc, Guillaume; Bode, Helge B.; Collart, Frank R.; Dal Grande, Francesco; Dietrich, Fred; Grigoriev, Igor V.; Joneson, Suzanne; Kuo, Alan; Larsen, Peter E.; Logsdon, John M.; Lopez, David; Martin, Francis; May, Susan P.; McDonald, Tami R.; Merchant, Sabeeha S.; Miao, Vivian; Morin, Emmanuelle; Oono, Ryoko; Pellegrini, Matteo; Rubinstein, Nimrod; Sánchez Puerta, María Virginia; Savelkoul, Elizabeth; Schmitt, Imke; Slot, Jason C.; Soanes, Darren; Szövényi, Péter; Talbot, Nicholas J.; Veneault-Fourrey, Claire; Xavier, Basil B.
- Año de publicación
- 2019
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Background: Lichens, encompassing 20,000 known species, are symbioses between specialized fungi (mycobionts), mostly ascomycetes, and unicellular green algae or cyanobacteria (photobionts). Here we describe the first parallel genomic analysis of the mycobiont Cladonia grayi and of its green algal photobiont Asterochloris glomerata. We focus on genes/predicted proteins of potential symbiotic significance, sought by surveying proteins differentially activated during early stages of mycobiont and photobiont interaction in coculture, expanded or contracted protein families, and proteins with differential rates of evolution. Results: A) In coculture, the fungus upregulated small secreted proteins, membrane transport proteins, signal transduction components, extracellular hydrolases and, notably, a ribitol transporter and an ammonium transporter, and the alga activated DNA metabolism, signal transduction, and expression of flagellar components. B) Expanded fungal protein families include heterokaryon incompatibility proteins, polyketide synthases, and a unique set of G-protein α subunit paralogs. Expanded algal protein families include carbohydrate active enzymes and a specific subclass of cytoplasmic carbonic anhydrases. The alga also appears to have acquired by horizontal gene transfer from prokaryotes novel archaeal ATPases and Desiccation-Related Proteins. Expanded in both symbionts are signal transduction components, ankyrin domain proteins and transcription factors involved in chromatin remodeling and stress responses. The fungal transportome is contracted, as are algal nitrate assimilation genes. C) In the mycobiont, slow-evolving proteins were enriched for components involved in protein translation, translocation and sorting. Conclusions: The surveyed genes affect stress resistance, signaling, genome reprogramming, nutritional and structural interactions. The alga carries many genes likely transferred horizontally through viruses, yet we found no evidence of inter-symbiont gene transfer. The presence in the photobiont of meiosis-specific genes supports the notion that sexual reproduction occurs in Asterochloris while they are free-living, a phenomenon with implications for the adaptability of lichens and the persistent autonomy of the symbionts. The diversity of the genes affecting the symbiosis suggests that lichens evolved by accretion of many scattered regulatory and structural changes rather than through introduction of a few key innovations. This predicts that paths to lichenization were variable in different phyla, which is consistent with the emerging consensus that ascolichens could have had a few independent origins.
Fil: Armaleo, Daniele. University of Duke; Estados Unidos
Fil: Müller, Olaf. University of Duke; Estados Unidos
Fil: Lutzoni, François. University of Duke; Estados Unidos
Fil: Andrésson, Ólafur S.. University of Iceland; Islandia
Fil: Blanc, Guillaume. Université de Toulon; Francia
Fil: Bode, Helge B.. Goethe Universitat Frankfurt; Alemania
Fil: Collart, Frank R.. University Of Illinois At Chicago; ; Estados Unidos
Fil: Dal Grande, Francesco. Senckenberg Biodiversity and Climate Research Center; Alemania
Fil: Dietrich, Fred. University of Duke; Estados Unidos
Fil: Grigoriev, Igor V.. University of California; Estados Unidos. US Department of Energy Joint Genome Institute; Estados Unidos
Fil: Joneson, Suzanne. University of Duke; Estados Unidos
Fil: Kuo, Alan. No especifíca;
Fil: Larsen, Peter E.. University of Illinois; Estados Unidos
Fil: Logsdon, John M.. University of Iowa; Estados Unidos
Fil: Lopez, David. Gilead Sciences Incorporated; Estados Unidos
Fil: Martin, Francis. Université de Lorraine; Francia
Fil: May, Susan P.. University of Duke; Estados Unidos
Fil: McDonald, Tami R.. University of Duke; Estados Unidos
Fil: Merchant, Sabeeha S.. University of California at Berkeley; Estados Unidos
Fil: Miao, Vivian. University of British Columbia; Canadá
Fil: Morin, Emmanuelle. Université de Lorraine; Francia
Fil: Oono, Ryoko. University of California; Estados Unidos
Fil: Pellegrini, Matteo. University of California at Los Angeles; Estados Unidos
Fil: Rubinstein, Nimrod. No especifíca;
Fil: Sánchez Puerta, María Virginia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Biología Agrícola de Mendoza. Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias. Instituto de Biología Agrícola de Mendoza; Argentina
Fil: Savelkoul, Elizabeth. University of Iowa; Estados Unidos
Fil: Schmitt, Imke. Goethe Universitat Frankfurt; Alemania
Fil: Slot, Jason C.. Ohio State University; Estados Unidos
Fil: Soanes, Darren. University of Exeter; Reino Unido
Fil: Szövényi, Péter. Universitat Zurich; Suiza
Fil: Talbot, Nicholas J.. The Sainsbury Laboratory; Reino Unido
Fil: Veneault-Fourrey, Claire. Université de Lorraine; Francia
Fil: Xavier, Basil B.. Universiteit Antwerp; Bélgica - Materia
-
ALGAL VIRUS
COCULTURE
FUNGI
GENE EXPRESSION
GENE FAMILY EVOLUTION
HORIZONTAL GENE TRANSFER
PLANT-FUNGAL INTERACTIONS
SYMBIONT AUTONOMY
SYMBIOSIS GENES - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by/2.5/ar/
- Repositorio
.jpg)
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/148585
Ver los metadatos del registro completo
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The lichen symbiosis re-viewed through the genomes of Cladonia grayi and its algal partner Asterochloris glomerataArmaleo, DanieleMüller, OlafLutzoni, FrançoisAndrésson, Ólafur S.Blanc, GuillaumeBode, Helge B.Collart, Frank R.Dal Grande, FrancescoDietrich, FredGrigoriev, Igor V.Joneson, SuzanneKuo, AlanLarsen, Peter E.Logsdon, John M.Lopez, DavidMartin, FrancisMay, Susan P.McDonald, Tami R.Merchant, Sabeeha S.Miao, VivianMorin, EmmanuelleOono, RyokoPellegrini, MatteoRubinstein, NimrodSánchez Puerta, María VirginiaSavelkoul, ElizabethSchmitt, ImkeSlot, Jason C.Soanes, DarrenSzövényi, PéterTalbot, Nicholas J.Veneault-Fourrey, ClaireXavier, Basil B.ALGAL VIRUSCOCULTUREFUNGIGENE EXPRESSIONGENE FAMILY EVOLUTIONHORIZONTAL GENE TRANSFERPLANT-FUNGAL INTERACTIONSSYMBIONT AUTONOMYSYMBIOSIS GENEShttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Background: Lichens, encompassing 20,000 known species, are symbioses between specialized fungi (mycobionts), mostly ascomycetes, and unicellular green algae or cyanobacteria (photobionts). Here we describe the first parallel genomic analysis of the mycobiont Cladonia grayi and of its green algal photobiont Asterochloris glomerata. We focus on genes/predicted proteins of potential symbiotic significance, sought by surveying proteins differentially activated during early stages of mycobiont and photobiont interaction in coculture, expanded or contracted protein families, and proteins with differential rates of evolution. Results: A) In coculture, the fungus upregulated small secreted proteins, membrane transport proteins, signal transduction components, extracellular hydrolases and, notably, a ribitol transporter and an ammonium transporter, and the alga activated DNA metabolism, signal transduction, and expression of flagellar components. B) Expanded fungal protein families include heterokaryon incompatibility proteins, polyketide synthases, and a unique set of G-protein α subunit paralogs. Expanded algal protein families include carbohydrate active enzymes and a specific subclass of cytoplasmic carbonic anhydrases. The alga also appears to have acquired by horizontal gene transfer from prokaryotes novel archaeal ATPases and Desiccation-Related Proteins. Expanded in both symbionts are signal transduction components, ankyrin domain proteins and transcription factors involved in chromatin remodeling and stress responses. The fungal transportome is contracted, as are algal nitrate assimilation genes. C) In the mycobiont, slow-evolving proteins were enriched for components involved in protein translation, translocation and sorting. Conclusions: The surveyed genes affect stress resistance, signaling, genome reprogramming, nutritional and structural interactions. The alga carries many genes likely transferred horizontally through viruses, yet we found no evidence of inter-symbiont gene transfer. The presence in the photobiont of meiosis-specific genes supports the notion that sexual reproduction occurs in Asterochloris while they are free-living, a phenomenon with implications for the adaptability of lichens and the persistent autonomy of the symbionts. The diversity of the genes affecting the symbiosis suggests that lichens evolved by accretion of many scattered regulatory and structural changes rather than through introduction of a few key innovations. This predicts that paths to lichenization were variable in different phyla, which is consistent with the emerging consensus that ascolichens could have had a few independent origins.Fil: Armaleo, Daniele. University of Duke; Estados UnidosFil: Müller, Olaf. University of Duke; Estados UnidosFil: Lutzoni, François. University of Duke; Estados UnidosFil: Andrésson, Ólafur S.. University of Iceland; IslandiaFil: Blanc, Guillaume. Université de Toulon; FranciaFil: Bode, Helge B.. Goethe Universitat Frankfurt; AlemaniaFil: Collart, Frank R.. University Of Illinois At Chicago; ; Estados UnidosFil: Dal Grande, Francesco. Senckenberg Biodiversity and Climate Research Center; AlemaniaFil: Dietrich, Fred. University of Duke; Estados UnidosFil: Grigoriev, Igor V.. University of California; Estados Unidos. US Department of Energy Joint Genome Institute; Estados UnidosFil: Joneson, Suzanne. University of Duke; Estados UnidosFil: Kuo, Alan. No especifíca;Fil: Larsen, Peter E.. University of Illinois; Estados UnidosFil: Logsdon, John M.. University of Iowa; Estados UnidosFil: Lopez, David. Gilead Sciences Incorporated; Estados UnidosFil: Martin, Francis. Université de Lorraine; FranciaFil: May, Susan P.. University of Duke; Estados UnidosFil: McDonald, Tami R.. University of Duke; Estados UnidosFil: Merchant, Sabeeha S.. University of California at Berkeley; Estados UnidosFil: Miao, Vivian. University of British Columbia; CanadáFil: Morin, Emmanuelle. Université de Lorraine; FranciaFil: Oono, Ryoko. University of California; Estados UnidosFil: Pellegrini, Matteo. University of California at Los Angeles; Estados UnidosFil: Rubinstein, Nimrod. No especifíca;Fil: Sánchez Puerta, María Virginia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Biología Agrícola de Mendoza. Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias. Instituto de Biología Agrícola de Mendoza; ArgentinaFil: Savelkoul, Elizabeth. University of Iowa; Estados UnidosFil: Schmitt, Imke. Goethe Universitat Frankfurt; AlemaniaFil: Slot, Jason C.. Ohio State University; Estados UnidosFil: Soanes, Darren. University of Exeter; Reino UnidoFil: Szövényi, Péter. Universitat Zurich; SuizaFil: Talbot, Nicholas J.. The Sainsbury Laboratory; Reino UnidoFil: Veneault-Fourrey, Claire. Université de Lorraine; FranciaFil: Xavier, Basil B.. Universiteit Antwerp; BélgicaBioMed Central2019-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/148585Armaleo, Daniele; Müller, Olaf; Lutzoni, François; Andrésson, Ólafur S.; Blanc, Guillaume; et al.; The lichen symbiosis re-viewed through the genomes of Cladonia grayi and its algal partner Asterochloris glomerata; BioMed Central; BMC Genomics; 20; 1; 7-2019; 1-331471-2164CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1186/s12864-019-5629-xinfo:eu-repo/semantics/altIdentifier/url/https://bmcgenomics.biomedcentral.com/articles/10.1186/s12864-019-5629-xinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2026-08-25T15:40:23Zoai:ri.conicet.gov.ar:11336/148585instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982026-08-25 15:40:23.528CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
| dc.title.none.fl_str_mv |
The lichen symbiosis re-viewed through the genomes of Cladonia grayi and its algal partner Asterochloris glomerata |
| title |
The lichen symbiosis re-viewed through the genomes of Cladonia grayi and its algal partner Asterochloris glomerata |
| spellingShingle |
The lichen symbiosis re-viewed through the genomes of Cladonia grayi and its algal partner Asterochloris glomerata Armaleo, Daniele ALGAL VIRUS COCULTURE FUNGI GENE EXPRESSION GENE FAMILY EVOLUTION HORIZONTAL GENE TRANSFER PLANT-FUNGAL INTERACTIONS SYMBIONT AUTONOMY SYMBIOSIS GENES |
| title_short |
The lichen symbiosis re-viewed through the genomes of Cladonia grayi and its algal partner Asterochloris glomerata |
| title_full |
The lichen symbiosis re-viewed through the genomes of Cladonia grayi and its algal partner Asterochloris glomerata |
| title_fullStr |
The lichen symbiosis re-viewed through the genomes of Cladonia grayi and its algal partner Asterochloris glomerata |
| title_full_unstemmed |
The lichen symbiosis re-viewed through the genomes of Cladonia grayi and its algal partner Asterochloris glomerata |
| title_sort |
The lichen symbiosis re-viewed through the genomes of Cladonia grayi and its algal partner Asterochloris glomerata |
| dc.creator.none.fl_str_mv |
Armaleo, Daniele Müller, Olaf Lutzoni, François Andrésson, Ólafur S. Blanc, Guillaume Bode, Helge B. Collart, Frank R. Dal Grande, Francesco Dietrich, Fred Grigoriev, Igor V. Joneson, Suzanne Kuo, Alan Larsen, Peter E. Logsdon, John M. Lopez, David Martin, Francis May, Susan P. McDonald, Tami R. Merchant, Sabeeha S. Miao, Vivian Morin, Emmanuelle Oono, Ryoko Pellegrini, Matteo Rubinstein, Nimrod Sánchez Puerta, María Virginia Savelkoul, Elizabeth Schmitt, Imke Slot, Jason C. Soanes, Darren Szövényi, Péter Talbot, Nicholas J. Veneault-Fourrey, Claire Xavier, Basil B. |
| author |
Armaleo, Daniele |
| author_facet |
Armaleo, Daniele Müller, Olaf Lutzoni, François Andrésson, Ólafur S. Blanc, Guillaume Bode, Helge B. Collart, Frank R. Dal Grande, Francesco Dietrich, Fred Grigoriev, Igor V. Joneson, Suzanne Kuo, Alan Larsen, Peter E. Logsdon, John M. Lopez, David Martin, Francis May, Susan P. McDonald, Tami R. Merchant, Sabeeha S. Miao, Vivian Morin, Emmanuelle Oono, Ryoko Pellegrini, Matteo Rubinstein, Nimrod Sánchez Puerta, María Virginia Savelkoul, Elizabeth Schmitt, Imke Slot, Jason C. Soanes, Darren Szövényi, Péter Talbot, Nicholas J. Veneault-Fourrey, Claire Xavier, Basil B. |
| author_role |
author |
| author2 |
Müller, Olaf Lutzoni, François Andrésson, Ólafur S. Blanc, Guillaume Bode, Helge B. Collart, Frank R. Dal Grande, Francesco Dietrich, Fred Grigoriev, Igor V. Joneson, Suzanne Kuo, Alan Larsen, Peter E. Logsdon, John M. Lopez, David Martin, Francis May, Susan P. McDonald, Tami R. Merchant, Sabeeha S. Miao, Vivian Morin, Emmanuelle Oono, Ryoko Pellegrini, Matteo Rubinstein, Nimrod Sánchez Puerta, María Virginia Savelkoul, Elizabeth Schmitt, Imke Slot, Jason C. Soanes, Darren Szövényi, Péter Talbot, Nicholas J. Veneault-Fourrey, Claire Xavier, Basil B. |
| author2_role |
author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author author |
| dc.subject.none.fl_str_mv |
ALGAL VIRUS COCULTURE FUNGI GENE EXPRESSION GENE FAMILY EVOLUTION HORIZONTAL GENE TRANSFER PLANT-FUNGAL INTERACTIONS SYMBIONT AUTONOMY SYMBIOSIS GENES |
| topic |
ALGAL VIRUS COCULTURE FUNGI GENE EXPRESSION GENE FAMILY EVOLUTION HORIZONTAL GENE TRANSFER PLANT-FUNGAL INTERACTIONS SYMBIONT AUTONOMY SYMBIOSIS GENES |
| purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
| dc.description.none.fl_txt_mv |
Background: Lichens, encompassing 20,000 known species, are symbioses between specialized fungi (mycobionts), mostly ascomycetes, and unicellular green algae or cyanobacteria (photobionts). Here we describe the first parallel genomic analysis of the mycobiont Cladonia grayi and of its green algal photobiont Asterochloris glomerata. We focus on genes/predicted proteins of potential symbiotic significance, sought by surveying proteins differentially activated during early stages of mycobiont and photobiont interaction in coculture, expanded or contracted protein families, and proteins with differential rates of evolution. Results: A) In coculture, the fungus upregulated small secreted proteins, membrane transport proteins, signal transduction components, extracellular hydrolases and, notably, a ribitol transporter and an ammonium transporter, and the alga activated DNA metabolism, signal transduction, and expression of flagellar components. B) Expanded fungal protein families include heterokaryon incompatibility proteins, polyketide synthases, and a unique set of G-protein α subunit paralogs. Expanded algal protein families include carbohydrate active enzymes and a specific subclass of cytoplasmic carbonic anhydrases. The alga also appears to have acquired by horizontal gene transfer from prokaryotes novel archaeal ATPases and Desiccation-Related Proteins. Expanded in both symbionts are signal transduction components, ankyrin domain proteins and transcription factors involved in chromatin remodeling and stress responses. The fungal transportome is contracted, as are algal nitrate assimilation genes. C) In the mycobiont, slow-evolving proteins were enriched for components involved in protein translation, translocation and sorting. Conclusions: The surveyed genes affect stress resistance, signaling, genome reprogramming, nutritional and structural interactions. The alga carries many genes likely transferred horizontally through viruses, yet we found no evidence of inter-symbiont gene transfer. The presence in the photobiont of meiosis-specific genes supports the notion that sexual reproduction occurs in Asterochloris while they are free-living, a phenomenon with implications for the adaptability of lichens and the persistent autonomy of the symbionts. The diversity of the genes affecting the symbiosis suggests that lichens evolved by accretion of many scattered regulatory and structural changes rather than through introduction of a few key innovations. This predicts that paths to lichenization were variable in different phyla, which is consistent with the emerging consensus that ascolichens could have had a few independent origins. Fil: Armaleo, Daniele. University of Duke; Estados Unidos Fil: Müller, Olaf. University of Duke; Estados Unidos Fil: Lutzoni, François. University of Duke; Estados Unidos Fil: Andrésson, Ólafur S.. University of Iceland; Islandia Fil: Blanc, Guillaume. Université de Toulon; Francia Fil: Bode, Helge B.. Goethe Universitat Frankfurt; Alemania Fil: Collart, Frank R.. University Of Illinois At Chicago; ; Estados Unidos Fil: Dal Grande, Francesco. Senckenberg Biodiversity and Climate Research Center; Alemania Fil: Dietrich, Fred. University of Duke; Estados Unidos Fil: Grigoriev, Igor V.. University of California; Estados Unidos. US Department of Energy Joint Genome Institute; Estados Unidos Fil: Joneson, Suzanne. University of Duke; Estados Unidos Fil: Kuo, Alan. No especifíca; Fil: Larsen, Peter E.. University of Illinois; Estados Unidos Fil: Logsdon, John M.. University of Iowa; Estados Unidos Fil: Lopez, David. Gilead Sciences Incorporated; Estados Unidos Fil: Martin, Francis. Université de Lorraine; Francia Fil: May, Susan P.. University of Duke; Estados Unidos Fil: McDonald, Tami R.. University of Duke; Estados Unidos Fil: Merchant, Sabeeha S.. University of California at Berkeley; Estados Unidos Fil: Miao, Vivian. University of British Columbia; Canadá Fil: Morin, Emmanuelle. Université de Lorraine; Francia Fil: Oono, Ryoko. University of California; Estados Unidos Fil: Pellegrini, Matteo. University of California at Los Angeles; Estados Unidos Fil: Rubinstein, Nimrod. No especifíca; Fil: Sánchez Puerta, María Virginia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Biología Agrícola de Mendoza. Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias. Instituto de Biología Agrícola de Mendoza; Argentina Fil: Savelkoul, Elizabeth. University of Iowa; Estados Unidos Fil: Schmitt, Imke. Goethe Universitat Frankfurt; Alemania Fil: Slot, Jason C.. Ohio State University; Estados Unidos Fil: Soanes, Darren. University of Exeter; Reino Unido Fil: Szövényi, Péter. Universitat Zurich; Suiza Fil: Talbot, Nicholas J.. The Sainsbury Laboratory; Reino Unido Fil: Veneault-Fourrey, Claire. Université de Lorraine; Francia Fil: Xavier, Basil B.. Universiteit Antwerp; Bélgica |
| description |
Background: Lichens, encompassing 20,000 known species, are symbioses between specialized fungi (mycobionts), mostly ascomycetes, and unicellular green algae or cyanobacteria (photobionts). Here we describe the first parallel genomic analysis of the mycobiont Cladonia grayi and of its green algal photobiont Asterochloris glomerata. We focus on genes/predicted proteins of potential symbiotic significance, sought by surveying proteins differentially activated during early stages of mycobiont and photobiont interaction in coculture, expanded or contracted protein families, and proteins with differential rates of evolution. Results: A) In coculture, the fungus upregulated small secreted proteins, membrane transport proteins, signal transduction components, extracellular hydrolases and, notably, a ribitol transporter and an ammonium transporter, and the alga activated DNA metabolism, signal transduction, and expression of flagellar components. B) Expanded fungal protein families include heterokaryon incompatibility proteins, polyketide synthases, and a unique set of G-protein α subunit paralogs. Expanded algal protein families include carbohydrate active enzymes and a specific subclass of cytoplasmic carbonic anhydrases. The alga also appears to have acquired by horizontal gene transfer from prokaryotes novel archaeal ATPases and Desiccation-Related Proteins. Expanded in both symbionts are signal transduction components, ankyrin domain proteins and transcription factors involved in chromatin remodeling and stress responses. The fungal transportome is contracted, as are algal nitrate assimilation genes. C) In the mycobiont, slow-evolving proteins were enriched for components involved in protein translation, translocation and sorting. Conclusions: The surveyed genes affect stress resistance, signaling, genome reprogramming, nutritional and structural interactions. The alga carries many genes likely transferred horizontally through viruses, yet we found no evidence of inter-symbiont gene transfer. The presence in the photobiont of meiosis-specific genes supports the notion that sexual reproduction occurs in Asterochloris while they are free-living, a phenomenon with implications for the adaptability of lichens and the persistent autonomy of the symbionts. The diversity of the genes affecting the symbiosis suggests that lichens evolved by accretion of many scattered regulatory and structural changes rather than through introduction of a few key innovations. This predicts that paths to lichenization were variable in different phyla, which is consistent with the emerging consensus that ascolichens could have had a few independent origins. |
| publishDate |
2019 |
| dc.date.none.fl_str_mv |
2019-07 |
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info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
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article |
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http://hdl.handle.net/11336/148585 Armaleo, Daniele; Müller, Olaf; Lutzoni, François; Andrésson, Ólafur S.; Blanc, Guillaume; et al.; The lichen symbiosis re-viewed through the genomes of Cladonia grayi and its algal partner Asterochloris glomerata; BioMed Central; BMC Genomics; 20; 1; 7-2019; 1-33 1471-2164 CONICET Digital CONICET |
| url |
http://hdl.handle.net/11336/148585 |
| identifier_str_mv |
Armaleo, Daniele; Müller, Olaf; Lutzoni, François; Andrésson, Ólafur S.; Blanc, Guillaume; et al.; The lichen symbiosis re-viewed through the genomes of Cladonia grayi and its algal partner Asterochloris glomerata; BioMed Central; BMC Genomics; 20; 1; 7-2019; 1-33 1471-2164 CONICET Digital CONICET |
| dc.language.none.fl_str_mv |
eng |
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eng |
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info:eu-repo/semantics/altIdentifier/doi/10.1186/s12864-019-5629-x info:eu-repo/semantics/altIdentifier/url/https://bmcgenomics.biomedcentral.com/articles/10.1186/s12864-019-5629-x |
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openAccess |
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application/pdf application/pdf |
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BioMed Central |
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BioMed Central |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
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dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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