@ARTICLE{TreeBASE2Ref20757, author = {Hanna Susanna Tuovila and Alexander Schmidt and Christina Beimforde and Heinrich Dörfelt and Heinrich Grabenhorst and Jouko Rikkinen}, title = {Stuck in time ? a new Chaenothecopsis species with proliferating ascomata from Cunninghamia resin and its fossil ancestors in European amber}, year = {2013}, keywords = {}, doi = {10.1007/s13225-012-0210-9}, url = {http://}, pmid = {}, journal = {Fungal Diversity}, volume = {58}, number = {1}, pages = {199--213}, abstract = {Resin protects tree wounds from microbial infection, but also provides suitable substrate for the growth of some highly specialized fungi. A new resinicolous Chaenothecopsis speciesis described growing on exudate of Cunninghamia lanceolata from Hunan Province, China. The new fungus is compared with extant and fossil relatives, these including two new fossil specimens from Eocene Baltic and Oligocene Bitterfeld ambers, respectively. The Oligocene fossil had produced proliferating fruiting bodies identical to those of the newly described species and several other extant species of the same lineage. This morphology may represent an adaptation to growing near active resin flows: the proliferating ascocarps can effectively rejuvenate if overrun by fresh, sticky exudate. Inward growth of fungal hyphae into resin has only been documented from Paleocene amber fossils suggesting comparatively late occupation of resin as substrate by fungi. Still, resinicolous Chaenothecopsis species were already well adopted to their special ecological niche by the Eocene, and the morphology of these fungi has since remained remarkably constant.} }

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