巴西亚马逊地区橡胶树中的五种内生青霉新品种。

IF 2.1 4区 生物学 Q3 MICROBIOLOGY
Kaliane Sírio Araújo, Janaina Lana Alves, Olinto Liparini Pereira, Marisa Vieira de Queiroz
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引用次数: 0

摘要

亚马逊雨林是世界上最多样化的生态系统,动植物种类繁多。森林中的树木包括橡胶树属(H. brasiliensis 和 H. guianensis),它们因乳胶的工业用途而脱颖而出。以前的研究表明,内生真菌在橡胶树的叶、茎和根部定殖。此外,为了进行物种划分,还采用了系谱一致系统发育物种识别(GCPSR)标准。系统发育分析将青霉分离物分为 Lanata-Divaricata、Sclerotiora、Citrina 和 Fasciculata 四个部分。根据形态和分子特征,发现了五个新种(P. heveae sp.nov.、P. acrean sp.nov.、P. aquiri sp.nov.、P. amazonense sp.nov.和 P. pseudomellis sp.nov.)。此外,还将这五个新种与近缘种进行了比较,观察了它们的形态特征和群落外观。贝叶斯推断和最大似然分析支持将 P. heveae sp. nov.列为 P. globosum 的姊妹群;P. acrean sp. nov.和 P. aquiri sp. nov.列为 P. sumatrense 的姊妹群;P. amazonense sp. nov.与 P. rolfsii 分离物密切相关,而 P. pseudomellis sp. nov.与 P. mellis 密切相关。对橡胶树内生青霉种类的研究以及对青霉科五个新分类群的描述。Citrina、Lanata-Divaricata 和 Sclerotiora 的五个新分类群作为内生菌的描述,增加了对本地橡胶树真菌生物多样性的了解。有关本地热带植物中真菌的报告可能会揭示新的分类学特征、潜在的病原体控制剂以及具有医学和农学意义的分子生物活性化合物的生产者。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Five new species of endophytic Penicillium from rubber trees in the Brazilian Amazon.

The Amazon rainforest is the world's most diverse ecosystem, full of fauna and flora. Among the trees that make up the forest are the rubber trees of the genus Hevea (H. brasiliensis and H. guianensis), which stand out for the industrial use of latex. It was previously shown that endophytic fungi colonize the leaves, stems, and roots of Hevea spp. In this study, 47 Penicillium spp. and three Talaromyces spp. isolates were analyzed using specific DNA barcodes: internal transcribed spacers region (ITS), β-tubulin (BenA), calmodulin (CaM), and the DNA-dependent RNA polymerase II second largest subunit (RPB2) genes and additionally, for species delimitation, the genealogical concordance phylogenetic species recognition (GCPSR) criteria were applied. The phylogenetic analyses placed the Penicillium isolates into four sections Lanata-Divaricata, Sclerotiora, Citrina, and Fasciculata. The morphological and molecular characteristics resulted in the discovery of five new species (P. heveae sp. nov., P. acrean sp. nov., P. aquiri sp. nov., P. amazonense sp. nov., and P. pseudomellis sp. nov.). The five new species were also compared to closely related species, with observations on morphologically distinguishing features and colony appearances. Bayesian inference and maximum likelihood analysis have supported the placement of P. heveae sp. nov. as a sister group to P. globosum; P. acrean sp. nov. and P. aquiri sp. nov. as sister groups to P. sumatrense; P. amazonense sp. nov. closely related to isolates of P. rolfsii, and P. pseudomellis sp. nov. closely related to P. mellis. The study of endophytic Penicillium species of rubber trees and the description of five new taxa of Penicillium sect. Citrina, Lanata-Divaricata, and Sclerotiora as endophytes add to the fungal biodiversity knowledge in native rubber trees. Reports of fungi in native tropical plants may reveal taxonomic novelties, potential pathogen control agents, and producers of molecular bioactive compounds of medical and agronomic interest.

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来源期刊
Brazilian Journal of Microbiology
Brazilian Journal of Microbiology 生物-微生物学
CiteScore
4.10
自引率
4.50%
发文量
216
审稿时长
1.0 months
期刊介绍: The Brazilian Journal of Microbiology is an international peer reviewed journal that covers a wide-range of research on fundamental and applied aspects of microbiology. The journal considers for publication original research articles, short communications, reviews, and letters to the editor, that may be submitted to the following sections: Biotechnology and Industrial Microbiology, Food Microbiology, Bacterial and Fungal Pathogenesis, Clinical Microbiology, Environmental Microbiology, Veterinary Microbiology, Fungal and Bacterial Physiology, Bacterial, Fungal and Virus Molecular Biology, Education in Microbiology. For more details on each section, please check out the instructions for authors. The journal is the official publication of the Brazilian Society of Microbiology and currently publishes 4 issues per year.
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