Molecular and Morphological Assessment of Septoria Species Associated with Ornamental Plants in Yunnan Province, China

被引：1

作者：

An, Yuan-Yan ^{[1
]}

Dayarathne, Monika C. ^{[1
]}

Zeng, Xiang-Yu ^{[1
,2
]}

Phillips, Alan J. L. ^{[3
]}

Hyde, Kevin D. ^{[2
,4
]}

Wang, Yong ^{[1
]}

机构：

[1] Guizhou Univ, Coll Agr, Dept Plant Pathol, Guiyang 550025, Peoples R China

[2] Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai 57100, Thailand

[3] Univ Lisbon, Fac Ciencias, Biosyst & Integrat Sci Inst BioISI, P-1749016 Lisbon, Portugal

[4] Univ Agr & Engn, Inst Plant Hlth, Guangzhou 510225, Peoples R China

来源：

JOURNAL OF FUNGI | 2021年 / 7卷 / 06期

基金：

中国国家自然科学基金;

关键词：

GCPSR; molecular assessment; new taxa; Septoria; PHYLOGENETIC-RELATIONSHIPS; FUNGI; TAXONOMY;

D O I：

10.3390/jof7060483

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

The Karst landform is the main geographic characteristic in South China. Such areas are rich in vegetation and especially suitable for growth of shrubs and herbaceous plants. In this study, 11 Septoria strains were obtained from different plants' leaves collected in the Kunming Botanical Garden, Yunnan Province, China. Based on single-gene and multi-gene analyses of five gene loci (tef1, rpb2, tub2, ITS, and LSU) and four gene regions (without LSU), these strains were found to belong to three independent phylogenetic lineages representing five species, including four novel taxa, and one new record for China. Five single gene trees were also provided to evaluate the effectiveness of each gene for discriminating the species, as a result of which tub2 was found to have the most suitable DNA barcode for rapid identification. Morphological descriptions, illustrations, and comparisons are provided for a more comprehensive assessment. Genealogical Concordance Phylogenetic Species Recognition (GCPSR) with a pairwise homoplasy index (PHI) test was used to evaluate the conclusions of the phylogenetic analyses.

引用

页数：19

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