Morphology and phylogeny reveal two novel species from China.

MycoKeys

The Key Laboratory for Silviculture and Conservation of the Ministry of Education, Beijing Forestry University, Beijing 100083, China Beijing Forestry University Beijing China.

Published: July 2019

AI Article Synopsis

  • Currently, there is only one genus of Coryneaceae in Diaporthales, which is unique due to its brown conidia with transverse septa.
  • Identifying different species is challenging because of their varying physical traits and insufficient genetic sequencing information.
  • From collections in China, researchers discovered two new species and three known species, highlighting distinct differences in conidial size and shape between them.

Article Abstract

is currently the sole genus of Coryneaceae in Diaporthales, distinguished from other diaporthalean genera by transversely distoseptate brown conidia. However, species are presently difficult to identify because of variability and overlap of morphological characters and the lack of sequence data for most described species. During fungal collection trips in China, 13 isolates were obtained from cankered branches of and . Morphological and phylogenetic analyses (ITS, LSU, and ) revealed that these strains belong to two new species ( and ), and three known species, , , and . has larger conidia and more distosepta than most species. was similar to from the same host genus, , in conidial length, but distinct in conidial width and by molecular data.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6637033PMC
http://dx.doi.org/10.3897/mycokeys.56.35554DOI Listing

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