尤卡坦半岛北部海岸水和沉积物中的细菌丰富度评估。

IF 1.8 4区 生物学 Q4 MICROBIOLOGY
Mariela Beatriz Reyes-Sosa, Raúl Valle-Gough, María Del Carmen Ponce-Caballero, María Leticia Arena-Ortiz
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引用次数: 0

摘要

考虑到沿海环境的重要性及其提供的多种生态服务,探索和理解发生在沿海环境中的相互作用是很重要的。微生物组是了解这些脆弱部位动态的关键因素。为了评估尤卡坦半岛北部沿海地区细菌多样性,开展了一项基于16S核糖体基因谱分析的宏基因组研究。结果表明,水体和沉积物样品中所发现的细菌属有一定的相似性,只是数量部分不同。通过主坐标分析,可以观察到沉积物和水样之间的明显差异。湿地和泻湖沉积物样品的相对多样性最高。结果表明,3-8%的总序列读数属于机会性属,如:海洋样品中的弧菌和其他环境中的碳噬菌。盐度和pH值是造成海岸带不同环境下群落差异的主要因素。在研究的海岸带内,不同环境的沉积物具有重要的相似性。本文提供的数据有助于为尤卡坦半岛沿海地区的研究设定基线。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Bacterial richness assessment in water and sediments in the northern coast of the Yucatan Peninsula.

Given the importance of the coastal environments and the multiple ecological services that they provide, it is important to explore and understand the interactions that occur within them. The microbiome is a key factor for the understanding of the dynamics of these fragile sites. A metagenomic study based on the profiling of the 16S ribosomal gene was carried out in order to assess the bacterial diversity present in the northern coastal zone of the Yucatan Peninsula. The results showed that water and sediment samples share some similarities regarding the bacterial genera found, only differing in the quantitative part. Through a PCO (principal coordinates) analysis clear differences between sediment and water samples could be observed. The highest relative diversity was found in wetland and lagoon sediment samples, respectively. It was observed that 3-8% of the total sequence reads belonged to opportunistic genera such as: Vibrio in the sea samples and Capnocytophaga in the other environments. Salinity and pH were the factors which contributed the most to the differences among the communities in the various environments in the coastal zone. There is an important similarity in the sediments across the different environments within the studied coastal zone. The data presented herein contribute to setting a baseline for research in the coastal region of the Yucatan Peninsula.

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来源期刊
CiteScore
3.30
自引率
0.00%
发文量
46
审稿时长
>12 weeks
期刊介绍: La Revista Argentina de Microbiología es una publicación trimestral editada por la Asociación Argentina de Microbiología y destinada a la difusión de trabajos científicos en las distintas áreas de la Microbiología. La Asociación Argentina de Microbiología se reserva los derechos de propiedad y reproducción del material aceptado y publicado.
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