Research Article

Related GMR Articles

10/10/2013
Dominant marker; Endangered species; Fragmentation; Genetic structure; Tropical forest

We analyzed the genetic diversity of populations of two sympatric species of Lymania (Bromeliaceae), both endemic to the Atlantic rainforest of southern Bahia (Brazil). Lymania azurea has a restricted occurrence, while Lymania smithii has a wider distribution. Our aim was to provide genetic data to contribute to the design of more efficient conservation ... more

V.C.C. Pamponét; T.F. Alves; R.A. Martinez; R.X. Corrêa; F.A. Gaiotto
06/21/2013
Biological control; COI; Genetic structure; Intraspecific divergence; Morphological variation; Placusa pinearum

Placusa pinearum, a newly described beetle species found living in pine shoot tunnels bored by the pine tip moth, Dioryctria rubella (Pyralidae), has potential as a vector to transport biological agents for controlling this moth pest of pine trees because of the high degree of niche overlap (co-occurrence) between them. In order to help determine the suitability of ... more

J.Y. Gao; B.Z. Ji; S.W. Liu
07/19/2012
Genetic characterization; Genetic diversity; Genetic structure; Genome comparisons

Genetic characterization among Red Junglefowl (GS, Gallus gallus spadiceus), Thai indigenous chicken (TIC, Gallus domesticus) and commercial lines has been widely used for studies of genealogical origin, genetic diversity, and effects of selection. We compared the efficiency of genetic characterization of chicken populations that had been under different intensities of ... more

P. Akaboot; M. Duangjinda; Y. Phasuk; C. Kaenchan; W. Chinchiyanond
05/21/2012
Genetic diversity; Genetic structure; SSR

Nine microsatellite loci were isolated from the genome of Laodelphax striatellus (Homoptera: Delphacidae) by constructing (TC)6(AC)5 and (AG)6(AC)5 compound SSR-enriched libraries using suppression-PCR procedures. These loci were found to be highly polymorphic, with 13 to 30 alleles per locus in the three populations that we investigated ... more

J.T. Sun; J.B. Li; X.M. Yang; X.Y. Hong
01/08/2014
Divergence time; Genetic structure; Geomorphic evolution; Mammillaria pectinifera; Population isolation; Tehuacán Valley

The endemic Mexican cactus, Mammillaria pectinifera, shows low dispersal capabilities and isolated populations within the highly dissected landscape of Tehuacán Valley. These characteristics can restrict gene flow and act upon the genetic divergence and speciation in arid plants. We conducted a phylogeographic study to determine if the origin, current distribution, and genetic ... more

A. Cornejo-Romero; J. Medina-Sánchez; T. Hernández-Hernández; B. Rendón-Aguilar; P.L. Valverde; A. Zavala-Hurtado; S.P. Rivas-Arancibia; M.A. Pérez-Hernández; G. López-Ortega; C. Jiménez-Sierra; C.F. Vargas-Mendoza
03/13/2015
AFLP marker; Bermudagrass; Genetic structure

Cynodon dactylon (L.) Pers. var. dactylon (common bermudagrass) is widely distributed geographically between approximately 45°N and 45°S latitude, penetrating to approximately 53°N latitude in Europe. The extensive variation of morphological and adaptive characteristics of the taxon has been substantially documented, but information is lacking on DNA molecular variation ... more

Y. Ling; L.K. Huang; X.Q. Zhang; X. Ma; W. Liu; S.Y. Chen; H.D. Yan
09/30/2007
genetic relationships; Groundnut; Microsatellites; peanut; Simple sequence repeat

The Kayabi Indians who inhabit the Xingu Indigenous Park, located in West Central Brazil, have grown and managed peanuts for a long time. A great number of landraces are being maintained by these tribes and some of this germplasm has morphological traits that exceed the variation described in the taxonomic literature. Here, we analyzed the genetic variability of these landraces using a ... more

F.O. Freitas; M.C. Moretzsohn; J.F.M. Valls
10/05/2007
FISH; Genomic library; Jackknife estimate; Microsatellites; Piracema species; Prochilodus lineatus

We described five novel microsatellite loci for the piracema fish species Prochilodus lineatus (Characiformes), endemic to South America and of extreme importance to both commercial and artisanal fisheries across its occurrence area. A primary, unenriched genomic library was constructed and radioactively screened for repetitive motifs. Positive clones were automatically ... more

G.M. Yazbeck; E. Kalapothakis
05/22/2007
Blastocerus dichotomus; Cervidae; Marsh deer; Microsatellites; Transferability

Blastocerus dichotomus, the marsh deer, is the largest Brazilian Cervidae species. The species is endangered because of hunting and loss of its natural habitat, i.e., flood plain areas, because of hydroelectric power station construction and agricultural land expansion. In the present study, we tested 38 microsatellite loci from four Cervidae species: Odocoileus ... more

K.C.E. Leite; R.G. Collevatti; T.R. Menegasso; W.M. Tomas; J.M.B. Duarte
05/31/2007
Genetic variability; Microsatellites; Nuclear molecular markers; Population structure; Wading bird

Roseate Spoonbills (Platalea ajaja, Linnaeus) are wading birds present in two of the most important Brazilian wetlands: the Pantanal wetlands and Rio Grande do Sul marshes. Natural populations of these species have not been previously studied with variable nuclear molecular markers. In order to support decision making regarding the management and conservation of these populations, we ... more

C.I. Miño; S.N. Del Lama

Pages