OrangerV1, France, Analysis, bibRecord, 000196

Evaluation of genetic relationships in Citrus genus by means of sequence tagged microsatellites

Identifieur interne : 000196 ( France/Analysis ); précédent : 000195; suivant : 000197

Evaluation of genetic relationships in Citrus genus by means of sequence tagged microsatellites

Auteurs : F. Luro [France] ; D. Rist [France] ; P. Ollitrault [France]

Source :

Acta horticulturae [ 0567-7572 ] ; 2001.

RBID : Pascal:02-0275245

Descripteurs français

Pascal (Inist)
- Distance génétique, Identification variétale, Relation interspécifique, Evaluation, Citrus, DNA microsatellite, Marqueur génétique, Marqueur moléculaire, Etude expérimentale, Etude méthode, Diversité allélique, Diversité génétique, Polymorphisme, Relation intraspécifique, Amplification génique, Caractérisation, Classification automatique, Allèle, Locus, Cultivar, Espèce, Génotype, Citrus aurantifolia, Citrus aurantium, Citrus grandis, Citrus limon, Citrus medica, Citrus paradisi, Citrus reticulata, Citrus sinensis, Germoplasme, CIRAD, INRA, CORSE.

English descriptors

KwdEn :
- Citrus, Evaluation, Experimental study, Genetic distance, Genetic marker, Interspecific relation, Method study, Microsatellite DNA, Molecular marker, Varietal identification.

Abstract

Simple Sequence Repeats (SSRs) have proven to be useful genetic markers in a wide variety of plants, but have not yet to be widely applied to Citrus identification. In this study, genetic relationships among 73 individuals of 8 more economically important species of the Citrus genus (C. reticulata Blanco, C. sinensis (L.) Osb., C. aurantium L., C. paradisi Macf., C. maxima (Burm.) Merr., C. limon (L.) Burm., C. aurantifolia (Christm.) Swing, and C. medica L.) were estimated by the amplification of 10 loci of SSR. The potential of STMS for cultivar identification within species has been evaluated and a neighbour joining analysis on the basis of a dissimilarity matrix among the different genotypes has been performed. Polymorphism of 8 STMS was sufficient so as to obtain genetic aggregations where three main groups were clearly identified: the orange-mandarin group, the pummelo-grapefruit group and the lime-citron-lemon group. These Citrus species relationships were in large agreement with those established by previous analyses based on molecular markers and morphological traits, suggesting that SSR data will be useful for exploring infra-generic Citrus genetic taxonomy. The studied microsatellites have not enabled varieties within some of the species, known to have evolved by somatic mutations to be distinguished, such as sweet oranges, grapefruits and sour oranges. However polymorphism has been detected among lemon varieties.

Affiliations:

Links toward previous steps (curation, corpus...)

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to stream PascalFrancis, to step Curation: 000167
to stream PascalFrancis, to step Checkpoint: 000871
to stream Main, to step Merge: 003027
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to stream Main, to step Exploration: 002E37
to stream France, to step Extraction: 000196

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Pascal:02-0275245

Le document en format XML

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<term>Interspecific relation</term>
<term>Method study</term>
<term>Microsatellite DNA</term>
<term>Molecular marker</term>
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<term>Identification variétale</term>
<term>Relation interspécifique</term>
<term>Evaluation</term>
<term>Citrus</term>
<term>DNA microsatellite</term>
<term>Marqueur génétique</term>
<term>Marqueur moléculaire</term>
<term>Etude expérimentale</term>
<term>Etude méthode</term>
<term>Diversité allélique</term>
<term>Diversité génétique</term>
<term>Polymorphisme</term>
<term>Relation intraspécifique</term>
<term>Amplification génique</term>
<term>Caractérisation</term>
<term>Classification automatique</term>
<term>Allèle</term>
<term>Locus</term>
<term>Cultivar</term>
<term>Espèce</term>
<term>Génotype</term>
<term>Citrus aurantifolia</term>
<term>Citrus aurantium</term>
<term>Citrus grandis</term>
<term>Citrus limon</term>
<term>Citrus medica</term>
<term>Citrus paradisi</term>
<term>Citrus reticulata</term>
<term>Citrus sinensis</term>
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<front><div type="abstract" xml:lang="en">Simple Sequence Repeats (SSRs) have proven to be useful genetic markers in a wide variety of plants, but have not yet to be widely applied to Citrus identification. In this study, genetic relationships among 73 individuals of 8 more economically important species of the Citrus genus (C. reticulata Blanco, C. sinensis (L.) Osb., C. aurantium L., C. paradisi Macf., C. maxima (Burm.) Merr., C. limon (L.) Burm., C. aurantifolia (Christm.) Swing, and C. medica L.) were estimated by the amplification of 10 loci of SSR. The potential of STMS for cultivar identification within species has been evaluated and a neighbour joining analysis on the basis of a dissimilarity matrix among the different genotypes has been performed. Polymorphism of 8 STMS was sufficient so as to obtain genetic aggregations where three main groups were clearly identified: the orange-mandarin group, the pummelo-grapefruit group and the lime-citron-lemon group. These Citrus species relationships were in large agreement with those established by previous analyses based on molecular markers and morphological traits, suggesting that SSR data will be useful for exploring infra-generic Citrus genetic taxonomy. The studied microsatellites have not enabled varieties within some of the species, known to have evolved by somatic mutations to be distinguished, such as sweet oranges, grapefruits and sour oranges. However polymorphism has been detected among lemon varieties.</div>
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Evaluation of genetic relationships in Citrus genus by means of sequence tagged microsatellites

Evaluation of genetic relationships in Citrus genus by means of sequence tagged microsatellites

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri