2003
DOI: 10.1590/s0100-41582003000300012
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Seqüenciamento e variabilidade do fragmento genômico de Xylella fastidiosa amplificado pelos iniciadores RST31/33

Abstract: Xylella fastidiosa é agente causal de diversas doenças de importância econômica como a clorose variegada dos citros (Citrus spp.) (CVC), mal de Pierce da videira (Vitis vinifera), escaldadura da ameixeira (Prunus salicina) e requeima do cafeeiro (Coffea arabica). A seqüência nucleotídica do fragmento genômico, específico de X. fastidiosa, amplificado pelo par de iniciadores RST31/33 foi determinada para 38 isolados de citros e para isolados de videira, cafeeiro e ameixeira objetivando avaliar o nível de polimo… Show more

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Cited by 6 publications
(5 citation statements)
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References 8 publications
(11 reference statements)
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“…The only exception obtained with these five endonucleases, was with the RST amplicon from strain CspIIIc1 from sweet orange in Costa Rica, which presented the same pattern as did the Brazilian strains. This result is in contrast to previous work assessing sequence and variability for the 'RST' amplicon, which did not detect any sequence polymorphism among 38 sweet orange strains tested from Brazil, and only one of three coffee strains tested presented a single nucleotide mismatch that distinguished it from the sweet orange isolates (Wendland et al, 2003). These patterns differentiated U.S. and Costa Rican strains from Brazilian strains of X. fastidiosa.…”
Section: Straincontrasting
confidence: 99%
See 1 more Smart Citation
“…The only exception obtained with these five endonucleases, was with the RST amplicon from strain CspIIIc1 from sweet orange in Costa Rica, which presented the same pattern as did the Brazilian strains. This result is in contrast to previous work assessing sequence and variability for the 'RST' amplicon, which did not detect any sequence polymorphism among 38 sweet orange strains tested from Brazil, and only one of three coffee strains tested presented a single nucleotide mismatch that distinguished it from the sweet orange isolates (Wendland et al, 2003). These patterns differentiated U.S. and Costa Rican strains from Brazilian strains of X. fastidiosa.…”
Section: Straincontrasting
confidence: 99%
“…The results obtained with enzyme RsaI/RST amplicon in this work are consistent with previous results from other strains of X. fastidiosa (Minsavage et al, 1994;Hendson et al, 2001;Wendland et al, 2003). The RsaI/RST amplicon from grapevine from the US and sweet orange strains from Brazil presented the same restriction pattern (two bands, circa 149 and 572 bp) as expected (Minsavage et al, 1994;Chen et al, 2005).…”
Section: Strainsupporting
confidence: 91%
“…pauca (que inclui ameixa, café e citros) (SCHAAD et al, 2004;SCHUENZEL et al, 2005). No entanto, trabalhos mais recentes de variabilidade genética evidenciam separações entre isolados de hospedeiros anteriormente considerados do mesmo grupo, o que pode ser resultado da evolução de estirpes em determinadas regiões, principalmente devido à recombinação gênica (CHEN et al, 2002;WENDLAND et al, 2003;SHERALD, 2004;SCHUENZEL et al, 2005;KISHI et al, 2008).…”
Section: A Bactéria Xylella Fastidiosa Wells Et Al 1987 -Agente Causalunclassified
“…A CVC é causada pela bactéria Xylella fastidiosa, a qual pode ser transmitida através de mudas e borbulhas contaminadas, inoculação mecânica por meio de agulhas (método experimental), além de insetos vetores, sendo esta última a principal forma de disseminação do patógeno no campo (HE et al, 2000). Esta bactéria coloniza os vasos de xilema de diversas plantas causando a obstrução dos mesmos, dificultando e/ou bloqueando o transporte de água e nutrientes realizado por esse vaso condutor, e como consequência há o aparecimento de sintomas de deficiência hídrica, principalmente nas folhas (WENDLAND et al, 2003;MACHADO et al, 2007). (HOPKINS, 1989).…”
Section: Selection Of Experimental Host Plants For Transmission Testsunclassified