Evolution of novel wood decay mechanisms in Agaricales revealed by the genome sequences of Fistulina hepatica and Cylindrobasidium torrendii

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Fältnamn	Indikatorer	Metadata
000		04296naa a2200601 4500
001		oai:lup.lub.lu.se:b37d71f5-84aa-404e-9c61-b15a4a42e195
003		SwePub
008		160401s2015 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://lup.lub.lu.se/record/54011352 URI
024	7	a https://doi.org/10.1016/j.fgb.2015.02.0022 DOI
040		a (SwePub)lu
041		a engb eng
042		9 SwePub
072	7	a art2 swepub-publicationtype
072	7	a ref2 swepub-contenttype
100	1	a Floudas, Dimitriosu Lund University,Lunds universitet,MEMEG,Biologiska institutionen,Naturvetenskapliga fakulteten,Department of Biology,Faculty of Science4 aut0 (Swepub:lu)biol-dfu
245	1 0	a Evolution of novel wood decay mechanisms in Agaricales revealed by the genome sequences of Fistulina hepatica and Cylindrobasidium torrendii
264	1	b Elsevier BV,c 2015
520		a Wood decay mechanisms in Agaricomycotina have been traditionally separated in two categories termed white and brown rot. Recently the accuracy of such a dichotomy has been questioned. Here, we present the genome sequences of the white-rot fungus Cylindrobasidium torrendii and the brown-rot fungus Fistulina hepatica both members of Agaricales, combining comparative genomics and wood decay experiments. C torrendii is closely related to the white-rot root pathogen Armillaria mellea, while F. hepatica is related to Schizophyllum commune, which has been reported to cause white rot. Our results suggest that C torrendii and S. commune are intermediate between white-rot and brown-rot fungi, but at the same time they show characteristics of decay that resembles soft rot. Both species cause weak wood decay and degrade all wood components but leave the middle lamella intact. Their gene content related to lignin degradation is reduced, similar to brown-rot fungi, but both have maintained a rich array of genes related to carbohydrate degradation, similar to white-rot fungi. These characteristics appear to have evolved from white-rot ancestors with stronger ligninolytic ability. F. hepatica shows characteristics of brown rot both in terms of wood decay genes found in its genome and the decay that it causes. However, genes related to cellulose degradation are still present, which is a plesiomorphic characteristic shared with its white-rot ancestors. Four wood degradation-related genes, homologs of which are frequently lost in brown-rot fungi, show signs of pseudogenization in the genome of F. hepatica. These results suggest that transition toward a brown-rot lifestyle could be an ongoing process in F. hepatica. Our results reinforce the idea that wood decay mechanisms are more diverse than initially thought and that the dichotomous separation of wood decay mechanisms in Agaricomycotina into white rot and brown rot should be revisited. (C) 2015 Elsevier Inc. All rights reserved.
650	7	a NATURVETENSKAPx Biologi0 (SwePub)1062 hsv//swe
650	7	a NATURAL SCIENCESx Biological Sciences0 (SwePub)1062 hsv//eng
653		a Wood decay
653		a White rot
653		a Brown rot
653		a Reconciliation
653		a Pseudogenes
653		a Genome
653		a sequencing
700	1	a Held, Benjamin W.4 aut
700	1	a Riley, Robert4 aut
700	1	a Nagy, Laszlo G.4 aut
700	1	a Koehler, Gage4 aut
700	1	a Ransdell, Anthony S.4 aut
700	1	a Younus, Hina4 aut
700	1	a Chow, Julianna4 aut
700	1	a Chiniquy, Jennifer4 aut
700	1	a Lipzen, Anna4 aut
700	1	a Tritt, Andrew4 aut
700	1	a Sun, Hui4 aut
700	1	a Haridas, Sajeet4 aut
700	1	a LaButti, Kurt4 aut
700	1	a Ohm, Robin A.4 aut
700	1	a Kuees, Ursula4 aut
700	1	a Blanchette, Robert A.4 aut
700	1	a Grigoriev, Igor V.4 aut
700	1	a Minto, Robert E.4 aut
700	1	a Hibbett, David S.4 aut
710	2	a MEMEGb Biologiska institutionen4 org
773	0	t Fungal Genetics and Biologyd : Elsevier BVg 76, s. 78-92q 76<78-92x 1087-1845
856	4	u http://dx.doi.org/10.1016/j.fgb.2015.02.002y FULLTEXT
856	4	u http://manuscript.elsevier.com/S1087184515000171/pdf/S1087184515000171.pdf
856	4 8	u https://lup.lub.lu.se/record/5401135
856	4 8	u https://doi.org/10.1016/j.fgb.2015.02.002

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