Evolutionary history of ergot with a new infrageneric classification (Hypocreales: Clavicipitaceae: Claviceps)

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388971%3A_____%2F18%3A00489843" target="_blank" >RIV/61388971:_____/18:00489843 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216208:11310/18:10390382

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.ympev.2018.02.013" target="_blank" >http://dx.doi.org/10.1016/j.ympev.2018.02.013</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.ympev.2018.02.013" target="_blank" >10.1016/j.ympev.2018.02.013</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Evolutionary history of ergot with a new infrageneric classification (Hypocreales: Clavicipitaceae: Claviceps)

Popis výsledku v původním jazyce

The ergot, genus Claviceps, comprises approximately 60 species of specialised ovarial grass parasites famous for the production of food toxins and pharmaceutics. Although the ergot has been known for centuries, its evolution have not been resolved yet. Our approach combining multilocus phylogeny, molecular dating and the study of ecological, morphological and metabolic features shows that Claviceps originated in South America in the Palaeocene on a common ancestor of BEP (subfamilies Bambusoideae, Ehrhartoideae, Pooideae) and PACMAD (subfamilies Panicoideae, Aristidoideae, Chloridoideae, Micrairoideae, Arundinoideae, Danthonioideae) grasses. Four clades described here as sections diverged during the Paleocene and Eocene. Since Claviceps are parasitic fungi with a close relationship with their host plants, their evolution is influenced by interactions with the new hosts, either by the spread to a new continent or the radiation of the host plants. Three of the sections possess very narrow host ranges and biogeographical distributions and have relatively low toxicity. On the contrary, the section Claviceps, comprising the rye ergot, C. purpurea, is unique in all aspects. Fungi in this section of North American origin have spread all over the world and infect grasses in all subfamilies as well as sedges, and it is the only section synthesising toxic ergopeptines and secalonic acids. The evolutionary success of the Claviceps section members can be explained by high toxin presence, serving as feeding deterrents and playing a role in their protective mutualism with host plants. Closely related taxa Neoclaviceps monostipa and Cepsiclava phalaridis were combined into the genus Aciculosporium.

Název v anglickém jazyce

Evolutionary history of ergot with a new infrageneric classification (Hypocreales: Clavicipitaceae: Claviceps)

Popis výsledku anglicky

The ergot, genus Claviceps, comprises approximately 60 species of specialised ovarial grass parasites famous for the production of food toxins and pharmaceutics. Although the ergot has been known for centuries, its evolution have not been resolved yet. Our approach combining multilocus phylogeny, molecular dating and the study of ecological, morphological and metabolic features shows that Claviceps originated in South America in the Palaeocene on a common ancestor of BEP (subfamilies Bambusoideae, Ehrhartoideae, Pooideae) and PACMAD (subfamilies Panicoideae, Aristidoideae, Chloridoideae, Micrairoideae, Arundinoideae, Danthonioideae) grasses. Four clades described here as sections diverged during the Paleocene and Eocene. Since Claviceps are parasitic fungi with a close relationship with their host plants, their evolution is influenced by interactions with the new hosts, either by the spread to a new continent or the radiation of the host plants. Three of the sections possess very narrow host ranges and biogeographical distributions and have relatively low toxicity. On the contrary, the section Claviceps, comprising the rye ergot, C. purpurea, is unique in all aspects. Fungi in this section of North American origin have spread all over the world and infect grasses in all subfamilies as well as sedges, and it is the only section synthesising toxic ergopeptines and secalonic acids. The evolutionary success of the Claviceps section members can be explained by high toxin presence, serving as feeding deterrents and playing a role in their protective mutualism with host plants. Closely related taxa Neoclaviceps monostipa and Cepsiclava phalaridis were combined into the genus Aciculosporium.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10606 - Microbiology

Projekt

<a href="/cs/project/GA13-00788S" target="_blank" >GA13-00788S: Námel: alkaloidy, populační diverzita a evoluce</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Molecular Phylogenetics and Evolution

ISSN

1055-7903

e-ISSN

—

Svazek periodika

123

Číslo periodika v rámci svazku

JUN 2018

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

15

Strana od-do

73-87

Kód UT WoS článku

000430136700008

EID výsledku v databázi Scopus

2-s2.0-85042730158