Bacterial and Fungal Co-Occurrence in the Nudibranch, Pteraeolidia semperi

被引:2
作者
Ng, Ming Sheng [1 ]
Soon, Nathaniel [1 ]
Chang, Ying [1 ,2 ]
Wainwright, Benjamin J. [1 ,2 ]
机构
[1] Natl Univ Singapore, Yale NUS Coll, 16 Coll Ave West, Singapore 138527, Singapore
[2] Natl Univ Singapore, Dept Biol Sci, 16 Sci Dr 4, Singapore 117558, Singapore
来源
LIFE-BASEL | 2022年 / 12卷 / 12期
关键词
bacteria; fungi; co-occurrence; marine microbiome; core microbiome; SP NOV; EMENDED DESCRIPTION; MARINE; DIVERSITY; LEUCOAGARICUS; SEA; COMMUNITIES; POPULATIONS; PATTERNS; ANIMALS;
D O I
10.3390/life12121988
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Despite the increasing recognition and importance surrounding bacterial and fungal interactions, and their critical contributions to ecosystem functioning and host fitness, studies examining their co-occurrence remain in their infancy. Similarly, studies have yet to characterise the bacterial and fungal communities associated with nudibranchs or their core microbial members. Doing this can advance our understanding of how the microbiome helps a host adapt and persist in its environment. In this study, we characterised the bacterial and fungal communities associated with 46 Pteraeolidia semperi nudibranch individuals collected from four offshore islands in Singapore. We found no distinct spatial structuring of microbial community, richness, or diversity across sampling locations. The bacterial genera Mycoplasma and Endozoicomonas were found across all samples and islands. The fungal genus Leucoagaricus was found with the highest occurrence, but was not found everywhere, and this is the first record of its reported presence in marine environments. The co-occurrence network suggests that bacterial and fungal interactions are limited, but we identified the bacterial family Colwelliaceae as a potential keystone taxon with its disproportionately high number of edges. Furthermore, Colwelliaceae clusters together with other bacterial families such as Pseudoalteromonadaceae and Alteromonadaceae, all of which have possible roles in the digestion of food.
引用
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页数:15
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