Resin protects wounded trees from microbial infection,but also provides a suitable substrate for the growth of highly specialized fungi.Chaenothecopsis proliferatus is described growing on resin of Cunninghamia lanceo...Resin protects wounded trees from microbial infection,but also provides a suitable substrate for the growth of highly specialized fungi.Chaenothecopsis proliferatus is described growing on resin of Cunninghamia lanceolata from Hunan Province,China.The new fungus is compared with extant species and two new fossil specimens from Eocene Baltic and Oligocene Bitterfeld ambers.The Oligocene fossil had produced proliferating ascomata identical to those of the newly described species and to other extant species of the same lineage.This morphology may represent an adaptation to growing near active resin flows:the proliferating ascomata can effectively rejuvenate if partially overrun by fresh,sticky exudate.Inward growth of fungal hyphae into resin has only been documented from Cenozoic amber fossils suggesting comparatively late occupation of resin as substrate by fungi.Still,resinicolous Chaenothecopsis species were already well adapted to their special ecological niche by the Eocene,and the morphology of these fungi has since remained remarkably constant.展开更多
The present paper provides a checklist of reported species from genera Ascobolus Pers.and Saccobolus Boud.in India with one additional first record from India,Saccobolus depauperatus.In addition,A.brassicae,A.furfurac...The present paper provides a checklist of reported species from genera Ascobolus Pers.and Saccobolus Boud.in India with one additional first record from India,Saccobolus depauperatus.In addition,A.brassicae,A.furfuraceus,A.foliicola,A.saccharifereus,Saccobolus depauperatus and S.glaber are reported for the first time from Kashmir,India and descriptions and photomicroplates of all said species are provided for their easy identification.展开更多
基金supported by research grants from the Jenny and Antti Wihuri Foundation and Ella and Georg Ehrnrooth Foundation.
文摘Resin protects wounded trees from microbial infection,but also provides a suitable substrate for the growth of highly specialized fungi.Chaenothecopsis proliferatus is described growing on resin of Cunninghamia lanceolata from Hunan Province,China.The new fungus is compared with extant species and two new fossil specimens from Eocene Baltic and Oligocene Bitterfeld ambers.The Oligocene fossil had produced proliferating ascomata identical to those of the newly described species and to other extant species of the same lineage.This morphology may represent an adaptation to growing near active resin flows:the proliferating ascomata can effectively rejuvenate if partially overrun by fresh,sticky exudate.Inward growth of fungal hyphae into resin has only been documented from Cenozoic amber fossils suggesting comparatively late occupation of resin as substrate by fungi.Still,resinicolous Chaenothecopsis species were already well adapted to their special ecological niche by the Eocene,and the morphology of these fungi has since remained remarkably constant.
文摘The present paper provides a checklist of reported species from genera Ascobolus Pers.and Saccobolus Boud.in India with one additional first record from India,Saccobolus depauperatus.In addition,A.brassicae,A.furfuraceus,A.foliicola,A.saccharifereus,Saccobolus depauperatus and S.glaber are reported for the first time from Kashmir,India and descriptions and photomicroplates of all said species are provided for their easy identification.
