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Biblioteca(s):	Biblioteca Rui Tendinha.
Data corrente:	12/08/2019
Data da última atualização:	12/08/2019
Tipo da produção científica:	Artigo em Periódico Indexado
Autoria:	MELO, L; SILVA, E.; FLÔRES, D.; VENTURA, J. A.; COSTA, H.; BEDENDO, I.
Afiliação:	Luciano Melo, ESALQ/USP; Eliane Silva, ESALQ/USP; Daniela Flôres, ESALQ/USP; Jose Aires Ventura, Incaper; Helcio Costa, Incaper; Ivan Bedendo, ESALQ/USP.
Título:	A phytoplasma representative of a new subgroup, 16SrXIII-E, associated with Papaya apical curl necrosis.
Ano de publicação:	2013
Fonte/Imprenta:	European Journal of Plant Pathology, v. 137, n. 3, p. 445-450, 2013.
Idioma:	Inglês
Conteúdo:	Papaya apical curl necrosis (PACN) has frequently been observed in several Brazilian states. Affected plants exhibit foliar chlorosis, curvature of the apex, shortening of the internodes leading to bunching of the crown leaves, necrosis of the young apical parts, leaf drop, and dieback. Naturally infected plants were sampled and subjected to PCR assays, which confirmed that a phytoplasma was associated with the disease. Sequencing of the 16S rRNA gene, conventional and computer-simulated RFLP analyses, and phylogenetic analysis allowed the determination of the PACN phytoplasma as a representative of a new subgroup, designated 16SrXIII-E. The phytoplasmas of various 16Sr groups, including 16SrI, 16SrII, 16SrX, 16SrXII, and 16SrXVII, are known to be involved in anomalies in papaya plants in several countries. However, the present study reports, for the first time, the occurrence of a 16SrXIII phytoplasma in association with a papaya disease.
Palavras-Chave:	Espírito Santo (Estado).
Thesaurus NAL:	Dieback; Mollicutes; Papaya apical; Phloem bacteria; Phytoplasma classification.
Categoria do assunto:	V Taxonomia de Organismos
Marc:	Mostrar Marc Completo
Registro original:	Biblioteca Rui Tendinha (BRT)