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Titolo:
Phylogenetic analysis of geographically diverse Radopholus similis via rDNA sequence reveals a monomorphic motif
Autore:
Kaplan, DT; Thomas, WK; Frisse, LM; Sarah, JL; Stanton, JM; Speijer, PR; Marin, DH; Opperman, CH;
Indirizzi:
USDA ARS, US Hort Res Lab, Ft Pierce, FL 34945 USA USDA ARS Ft Pierce FL USA 34945 US Hort Res Lab, Ft Pierce, FL 34945 USA Univ Missouri, Div Mol Biol & Biochem, Kansas City, MO 64110 USA Univ Missouri Kansas City MO USA 64110 Biochem, Kansas City, MO 64110 USA CIRAD AMIS, F-34032 Montpellier, France CIRAD AMIS Montpellier France F-34032 AMIS, F-34032 Montpellier, France Queensland Dept Primary Ind, Plant Pathol Branch, Indooroopilly, Qld 4068,Australia Queensland Dept Primary Ind Indooroopilly Qld Australia 4068 68,Australia Int Inst Trop Agr, Eastern & So Africa Reg Ctr, Kampala, Uganda Int Inst Trop Agr Kampala Uganda n & So Africa Reg Ctr, Kampala, Uganda Del Monte Costa Rica, San Jose, Costa Rica Del Monte Costa Rica San JoseCosta Rica sta Rica, San Jose, Costa Rica N Carolina State Univ, Dept Plant Pathol, Raleigh, NC 27695 USA N CarolinaState Univ Raleigh NC USA 27695 Pathol, Raleigh, NC 27695 USA N Carolina State Univ, Dept Genet, Raleigh, NC 27695 USA N Carolina State Univ Raleigh NC USA 27695 t Genet, Raleigh, NC 27695 USA
Titolo Testata:
JOURNAL OF NEMATOLOGY
fascicolo: 2, volume: 32, anno: 2000,
pagine: 134 - 142
SICI:
0022-300X(200006)32:2<134:PAOGDR>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
FRAGMENT-LENGTH-POLYMORPHISM; TRANSCRIBED SPACER REGION; RIBOSOMAL DNA-SEQUENCE; ROOT-KNOT NEMATODES; CAENORHABDITIS-ELEGANS; HOST-RANGE; EVOLUTIONARY FRAMEWORK; PRATYLENCHUS-COFFEAE; PARASITIC NEMATODES; BURROWING NEMATODES;
Keywords:
banana; citrus; evolution; genetics; ITS1; 28S; nematode; pathotype; phylogeny; quarantine; race; Radopholus similis; rDNA; species concepts; taxonomy;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
55
Recensione:
Indirizzi per estratti:
Indirizzo: Kaplan, DT 101 Cove Colony Rd, Maitland, FL 32751 USA 101 Cove Colony Rd Maitland FL USA 32751 aitland, FL 32751 USA
Citazione:
D.T. Kaplan et al., "Phylogenetic analysis of geographically diverse Radopholus similis via rDNA sequence reveals a monomorphic motif", J NEMATOL, 32(2), 2000, pp. 134-142

Abstract

The nucleic acid sequences of rDNA ITS1 and the rDNA D2/D3 expansion segment were compared for 57 burrowing nematode isolates collected from Australia, Cameroon, Central America, Cuba, Dominican Republic, Florida, Guadeloupe, Hawaii, Nigeria, Honduras, Indonesia, Ivory Coast, Puerto Rico, South Africa, and Uganda. Of the 57 isolates, 55 were morphologically similar to Radopholus similis and seven were citrus-parasitic. The nucleic acid sequencesfor PCR-amplified ITS1 and for the D2/D3 expansion segment of the 28S rDNAgene were each identical for all putative R. similis. Sequence divergence for both the ITS1 and the D2/D3 was concordant with morphological differences that distinguish R similis from other burrowing nematode species. This result substantiates previous observations that the R. similis genome is highly conserved across geographic regions. Autapomorphies that would delimit phylogenetic lineages of non-citrus-parasitic R similis from those that parasitize citrus were not observed. The data presented herein support the concept that R. similis is comprised of two pathotypes-one that parasitizes citrus and one that does not.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/09/20 alle ore 00:30:21