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Cultivar-level genotype differences influence diversity and composition of lettuce (Lactuca sp.) phyllosphere fungal communities
Institution:1. School of Biological Sciences, University of Bristol, 24 Tyndall Avenue, Bristol BS8 1TQ, United Kingdom;2. Faculty of Engineering, University of Bristol, Queen''s Building, Bristol BS8 1TR, United Kingdom;3. Ecosulis, The Rickyard, Newton St Loe, Bath BA2 9BT, United Kingdom;4. Department of Biological Sciences, University of Arkansas, Fayetteville, AR 72701, USA;1. Department of Biotechnology, Faculty of Engineering and Industrial Technology, Silpakorn University, Sanamchandra Palace Campus, Nakhon Pathom 73000, Thailand;2. Central Laboratory and Greenhouse Complex, Faculty of Agriculture at Kamphaeng Sean, Kasetsart University, Kamphaeng Sean Campus, Nakhon Pathom 73140, Thailand;3. Department of Microbiology, Faculty of Science, Kasetsart University, Jatujak, Bangkok 10900, Thailand;4. Center for Advanced Studies in Tropical Natural Resources, National Research University-Kasetsart University, Bangkok 10900, Thailand;1. School of Tea and Food Science, Anhui Agricultural University, Hefei 230036, People''s Republic of China;2. Center for Cell and Gene Therapy, Takara Bio Inc., Seta 3-4-1, Otsu, Shiga 520-2193, Japan;3. School of Life Science, Anhui Agricultural University, Hefei 230036, People''s Republic of China;1. ICAAM – Instituto de Ciências Agrárias e Ambientais Mediterrânicas, Instituto de Investigação e Formação Avançada, Universidade de Évora, Núcleo da Mitra, Ap. 94, 7006-554 Évora, Portugal;2. MARE – Centro de Ciências do Mar e do Ambiente, Universidade de Évora, Escola de Ciências e Tecnologia, c/o NemaLab, Apartado 94, 7002-554 Évora, Portugal;3. Departamento de Fitotecnia, Instituto de Ciências Agrárias e Ambientais Mediterrânicas, Instituto de Investigação e Formação Avançada, Universidade de Évora, Núcleo da Mitra, Ap. 94, 7006-554 Évora, Portugal;1. State Key Laboratory of Pharmaceutical Biotechnology, School of Life Science, Nanjing University, Hankou Road 22, Nanjing 210093, PR China;2. Nanjing Institute of Environmental Sciences, MEP, Jiang Wang Miao Street 8, Nanjing 210042, PR China;1. Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto 606-8502, Japan;2. Graduate School of Global Environmental Studies, Kyoto University, Yoshida Nihonmatsu-cho, Sakyo-ku, Kyoto 606-8501, Japan;3. National Research Institute of Fisheries Science, Fisheries Research Agency, 2-12-4 Fuku-ura, Kanazawa-ku, Yokohama, Kanagawa 236-8648, Japan;4. Graduate School of Human and Environmental Studies, Kyoto University, Yoshida Nihonmatsu-cho, Sakyo-ku, Kyoto 606-8501, Japan;5. Faculty of Forestry, Gadjah Mada University, Jl. Agro No.1 Bulaksumur, Yogyakarta 55281, Indonesia
Abstract:Different lettuce genotypes supported significantly different phyllosphere fungal communities. Phyllosphere fungal diversity was low and fungi fell into five similarity groups. These groups were represented in significantly different proportions throughout 26 lettuce accessions indicating cultivar-level variation in the fungal colonization of the lettuce phyllosphere. Significant differences in the proportions of the two dominant groups (with similarity to Cladosporium spp. and Sporobolomyces roseus) were identified between parental lines of two lettuce mapping populations providing opportunities to further investigate the genetic control of cultivar-level variation in fungal phyllosphere colonisation.
Keywords:Fungal  Genotype  Internal transcribed spacer  Lettuce  Phyllosphere community  rRNA  Sequence  T-RFLP  Variation
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