Comparison studies of epiphytic microbial communities on four macroalgae and rock substrates

Macroalgae are key and engineering species on rocky shores worldwide, which support diverse and abundant microbiota with functions of biochemical cycling, host health and development. Meanwhile, the microbiota on the surfaces of macroalgal rocky substrate also plays an important role in marine ecosystem. However, the differences in the epiphytic microbial communities on macroalgae and rocky substrate are still poorly understood. In this study, the epiphytic microbial communities on four macroalgae (Corallina officinalis, Rhodomela confervoides, Sargassum thunbergii, and Ulva linza) and their rocky substrates from Weihai coast zone were characterized using high-throughput sequencing technology.

大型藻类（macroalgae）是全球岩岸生态系统中的关键工程物种，可支撑多样且丰富的微生物群落（microbiota），这些群落参与生物地球化学循环、维系宿主健康与生长发育。与此同时，大型藻类附着岩基表面的微生物群落同样对海洋生态系统发挥着重要作用。然而，目前学界对于大型藻类与岩基表面附生微生物群落的差异仍知之甚少。本研究采用高通量测序技术（high-throughput sequencing technology），对取自威海海岸带的4种大型藻类（*Corallina officinalis*、*Rhodomela confervoides*、*Sargassum thunbergii*及*Ulva linza*）及其附着岩基的附生微生物群落进行了表征分析。