基于该样式的两个中国菊科新种记述

IF 1.5 3区生物学 Q3 PLANT SCIENCES

Fottea Pub Date : 2021-09-07 DOI:10.5507/fot.2021.011

Fangfang Cai, Gongliang Yu, Yuchen Liu, Yuan-Zhi Sun, Renhui Li

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引用次数: 4

摘要

本研究基于形态、遗传和生态特征相结合的多相方法，描述了两种新的发菜，发菜发菜（CHAB5709、CHAB5713和CHAB5714）和奇异发菜（CHAB5756和CHAB5784）。研究发现5个菌株具有发菜属的形态特征。结果表明，这5个菌株的16S rRNA基因序列与Nostoc属的相似性≥95%，且≤98%。使用贝叶斯推断、最大似然和邻居连接方法推断的16S rRNA基因系统发育分析将这五个菌株放置在远离其他Nostoc物种的两个独立节点上。两个新物种的16S-23S rRNA内部转录间隔区（ITS）二级结构显示出独特的D1-D1'、Box-B和V3螺旋模式，这将它们与其他Nostoc物种区分开来。两个种间ITS差异的百分比进一步确定了另一个种间的ITS差异。

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Description of two new species of cstylefrom China based on thecstyle

The present study described two new Nostoc species, Nostoc favosum (CHAB5709, CHAB5713, and CHAB5714) and Nostoc mirabile (CHAB5756 and CHAB5784) based on the polyphasic approach combining morphological, genetic and ecological characteristics. Five investigated strains were found to possess morphological features of the Nostoc genus. Results showed that the 16S rRNA gene sequences of these five strains displayed ≥ 95%, and ≤ 98% similarity to the genus Nostoc. The 16S rRNA gene phylogenetic analysis inferred using bayesian inference, maximum-likelihood and neighbour-joining methods placed these five strains on two separate nodes away from other Nostoc species. The 16S-23S rRNA internal transcribed spacer (ITS) secondary structure of two new species showed a unique pattern of D1-D1', Box-B and V3 helix, which distinguished them from other Nostoc species. And the two species were further established by percent dissimilarity of ITS between another Nostoc species.

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来源期刊

Fottea 生物-植物科学

CiteScore

4.00

自引率

9.10%

发文量

审稿时长

>12 weeks

期刊介绍： Fottea is a journal of Czech Phycological Society (formerly bulletin Czech Phycology). Fottea publishes papers on all aspects of the ecology, physiology, biochemistry, cell biology, molecular biology, systematics and uses of algae (including cyanobacteria)