1Department of Pathobiology and Population Sciences, The Royal Veterinary College, University of London, Hatfield, United Kingdom.English 1,3, Bryony Allen 4, Rohan Raval 4, Saudamini Venkatesan 5, Amy B. Raulo 3, Marc Brouard 3, Tanya Troitsky 3, Holly M.
#Seasonality core drivers#
These findings advance our understanding of the patterns and drivers of phyllosphere microbial community assembly in zonal forests at a global scale.īacteria Community assembly Fungi Host species identity Microbiome Phyllosphere Plant trait Subtropical forest.Kirsty J. Host species identity, compared to seasonality, has greater effects on phyllosphere microbial community assembly, and such effects differ between bacterial and fungal communities. Our results suggest that subtropical tree phyllosphere microbial communities vary with host species identity, plant traits and seasonality. There are significant evolutionary associations between host species and phyllosphere microbiome. Host traits have different effects on community compositions and diversities of both bacteria and fungi, and among them calcium concentration and importance value are the most powerful explaining variables for bacteria and fungi, respectively.
There is a strong clustering of the phyllosphere microbial assemblage amongst trees by seasonality, and the seasonality effects are more pronounced on bacterial than fungal community assembly. Variations in phyllosphere bacterial and fungal community assembly are explained more by host species identity than by seasonality. Phyllosphere microbial communities in the subtropical forest are more abundant and diverse than those in tropical and temperate forests, and the tree species share a "core microbiome" in either bacteria or fungi. We explored if and how the microbial community assembly varies with host species identity, plant traits and seasonality. In this study, we quantified bacterial and fungal community structure and diversity on the leaves of 45 tree species with varying phylogenetic identities and importance values within a 20-ha lower subtropical evergreen broad-leaved forest plot in dry and wet seasons. In addition, in subtropical forests characterized as the transitional zonal vegetation type from tropical to temperate forests, how tree phyllosphere microbial communities are assembled remains unknown. wet seasons) influences phyllosphere microbial community assembly in natural forests. However, no study has yet examined how seasonality (e.g. Recent studies have suggested that tropical and temperate forests harbor diverse phyllosphere bacterial and fungal communities and their assembly is driven by host species identity and plant traits. microbes play important roles in host plant performance and fitness.
7 College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China. 6 Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458, China. 5 Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden/Center of Plant Ecology, Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, 510650, China.1 Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden/Center of Plant Ecology, Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, 510650, China.
4 Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458, China.3 College of Horticulture and Landscape Architecture, Zhongkai University of Agriculture and Engineering, Guangzhou, 510225, China.2 College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, China.1 Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden/Center of Plant Ecology, Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, 510650, China.
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