Morpho-Molecular Characterization of Two Ampelomyces spp. (Pleosporales) Strains Mycoparasites of Powdery Mildew of Hevea brasiliensis
Liyanage, Kapila K.1,2,3,4,5; Khan, Sehroon3,4; Brooks, Siraprapa1,2; Mortimer, Peter E.3,4; Karunarathna, Samantha C.3,4; Xu, Jianchu3,4; Hyde, Kevin D.1,2,3
2018-01-19
发表期刊FRONTIERS IN MICROBIOLOGY
ISSN1664-302X
卷号9页码:12
摘要Powdery mildew disease of rubber affects immature green leaves, buds, inflorescences, and other immature tissues of rubber trees, resulting in up to 45% losses in rubber latex yield worldwide. The disease is often controlled by dusting the diseased plants with powdered sulfur, which can have long-term negative effects on the environment. Therefore, it is necessary to search for alternative and environmentally friendly control methods for this disease. This study aimed to identify mycoparasites associated with rubber powdery mildew species, and characterize them on the basis of morpho-molecular characteristics and phylogenetic analyses of ITS rDNA regions. We observed that the Ampelomyces fungus parasitizes rubber powdery mildew, and eventually destroys it. Furthermore, on the basis of phylogenetic analyses and morphological characteristics we confirmed that the Ampelomyces mycoparasite isolated from rubber powdery mildew is closely related to other mycohost taxa in the Erysiphe genus. A total of 73 (71 retrieved from GenBank and two obtained from fresh collections of rubber powdery mildew fungi) Ampelomyces spp. were analyzed using ITS rDNA sequences and 153 polymorphic sites were identified through haplotypic analyses. A total of 28 haplotypes (H1-H28) were identified to have a complex network of mutation events. The results from phylogenetic tree constructed on the basis of maximum likelihood analyses, and the haplotype network tree revealed similar relationships of clustering pattern. This work presents the first report on morphomolecular characterization of Ampelomyces species that are mycoparasites of powdery mildew of Hevea brasiliensis.
关键词Erysiphe Haplotype Morphology Mycohost Mycoparasite
语种英语
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文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/60418
专题资源植物与生物技术所级重点实验室
作者单位1.Mae Fah Luang Univ, Ctr Excellence Fungal Res, Chiang Rai, Thailand
2.Mae Fah Luang Univ, Sch Sci, Chiang Rai, Thailand
3.Chinese Acad Sci, Kunming Inst Bot, Ctr Mt Ecosyst Studies, Kunming, Yunnan, Peoples R China
4.World Agroforestry Ctr, East & Cent Asia, Kunming, Yunnan, Peoples R China
5.Rubber Res Inst Sri Lanka, Agalawatta, Sri Lanka
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Liyanage, Kapila K.,Khan, Sehroon,Brooks, Siraprapa,et al. Morpho-Molecular Characterization of Two Ampelomyces spp. (Pleosporales) Strains Mycoparasites of Powdery Mildew of Hevea brasiliensis[J]. FRONTIERS IN MICROBIOLOGY,2018,9:12.
APA Liyanage, Kapila K..,Khan, Sehroon.,Brooks, Siraprapa.,Mortimer, Peter E..,Karunarathna, Samantha C..,...&Hyde, Kevin D..(2018).Morpho-Molecular Characterization of Two Ampelomyces spp. (Pleosporales) Strains Mycoparasites of Powdery Mildew of Hevea brasiliensis.FRONTIERS IN MICROBIOLOGY,9,12.
MLA Liyanage, Kapila K.,et al."Morpho-Molecular Characterization of Two Ampelomyces spp. (Pleosporales) Strains Mycoparasites of Powdery Mildew of Hevea brasiliensis".FRONTIERS IN MICROBIOLOGY 9(2018):12.
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