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      Identificación de Thrips palmi Karny (Thysanoptera: Thripidae) en cultivos de cucurbitáceas en Panamá Translated title: Identification of Thrips palmi Karny (Thysanoptera: Thripidae) in cucurbit crops in Panama

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          Abstract

          El objetivo de este trabajo fue la identificación morfológica y molecular de T. palmi en cultivos de cucurbitáceas en Panamá. Los especímenes fueron colectados en las provincias de Los Santos, Herrera, Coclé, Veraguas y Chiriquí, del 17 de febrero de 2009 al 17 de agosto de 2010. La identificación de los insectos fue realizada en el Laboratorio de Protección Vegetal (LPV), del Centro de Investigación Agropecuaria Central (CIAC), del Instituto de Investigación Agropecuaria de Panamá (IDIAP), ubicado en Los Canelos, distrito de Santa María, provincia de Herrera, Panamá. Los especímenes fueron identificados mediante morfología utilizando claves taxonómicas. Se utilizó la reacción en cadena de la polimerasa (PCR) con cebadores específicos de T. palmi, los cuales amplifican el gen mitocondrial de la citocromo oxidasa subunidad I (mtCOI). Se obtuvieron amplicones (productos de PCR) del tamaño esperado (220-pb) correspondientes a T. palmi. Adicionalmente, un producto amplificado fue purificado y secuenciado. Para verificar la identidad del insecto, la secuencia obtenida fue analizada con ayuda del Instrumento de Búsqueda de Alineamientos Locales Básicos (BLAST) y comparada con secuencias de referencia del Centro Nacional para la Información Biotecnológica (NCBI).

          Translated abstract

          The objective of this work includes the morphological and molecular identification of T. palmi in cucurbit crops in Panama. The specimens were collected from the provinces of Los Santos, Herrera, Coclé, Veraguas and Chiriquí, from February 17th of 2009 until August 17th of 2010. The insects identification was realized at the Laboratory of Plant Protection (LPV), of Agricultural Research Center Central (CIAC), of Agricultural Research Institute of Panama (IDIAP), located in Los Canelos, Santa María district, Herrera province, Panama. The specimens were identified by morphology using the taxonomic keys. The polymerase chain reaction (PCR) was used with T. palmi specific-primers, which amplify the mitochondrial gene cytochrome oxidase subunit I (mtCOI). Amplicons (PCR products) of the expected size (220-bp) were obtained from T. palmi. Furthermore, an amplified product was purified and sequenced. To verify the identity of the insect, the sequence obtained from it was analyzed using the Basic Local Alignment Search (BLAST) and compared with reference sequences from the National Center for Biotechnology Information (NCBI).

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          Serological relationships and purification of bud necrosis virus, a tospovirus occurring in peanut (Arachis hypogaea L.) in India

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            Silver Mottle Disease of Watermelon Caused by Tomato Spotted Wilt Virus

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              Melon yellow spot virus: A Distinct Species of the Genus Tospovirus Isolated from Melon.

              ABSTRACT A tospovirus-like virus recovered from netted melon was transmitted by Thrips palmi in a persistent manner but had different cytopathological features from tospoviruses previously reported. Viral nucleocapsid (N) was purified with two protective reagents, 2-mercaptoethanol and L-ascorbic acid, and RNA extracted from the viral nucleocapsid was used for genomic analysis. The virus had a genome consisting of three single-stranded RNA molecules. The open reading frame on the viral complementary strand, located at the 3' end of the viral S RNA, encoded the N protein. The 3' terminus of this RNA also contained an eight-nucleotide sequence similar to the conserved sequence at the 3' end of genomic RNA molecules of tospoviruses. These features of the viral genome are identical to those of tospoviruses; therefore, this virus is considered to belong to the genus Tospovirus. Its N protein comprised 279 amino acids and had a molecular mass of 31.0 kDa. Comparisons of its amino acid sequence with those of known tospoviruses revealed less than 60% identity. This melon virus is concluded to be a distinct species in the genus Tospovirus, and the name Melon yellow spot virus is proposed.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                am
                Agronomía Mesoamericana
                Agron. Mesoam
                Universidad de Costa Rica. Programa Cooperativo Centroamericano para el Mejoramiento Cultivos y Animales (San Pedro )
                1021-7444
                June 2013
                : 24
                : 1
                : 47-55
                Affiliations
                [1 ] ), Instituto de Investigación Agropecuaria de Panamá (IDIAP) Panama
                Article
                S1659-13212013000100005
                20259868-7d67-49cf-8834-821fc9061dbc

                http://creativecommons.org/licenses/by/4.0/

                History
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                SciELO Costa Rica

                Self URI (journal page): http://www.scielo.sa.cr/scielo.php?script=sci_serial&pid=1659-1321&lng=en
                Categories
                Agricultural Economics & Policy
                Agriculture, Multidisciplinary
                Agronomy

                General agriculture,Agricultural economics & Resource management,Horticulture
                taxonomic keys,claves taxonómicas,cebadores específicos,identificación morfológica,identificación molecular,PCR,secuenciación,specific-primers,morphological identification,molecular identification,sequencing

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