Research Article

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Chinese fir; Genetic differentiation; Genetic diversity; Molecular marker; Red-colored heartwood

The present study investigated the genetic characterization of red-colored heartwood Chinese fir [Cunninghamia lanceolata (Lamb.) Hook.] in Guangxi using 21 simple sequence repeat (SSR) markers and analyzes of the genetic variation (N = 149) in samples obtained from five sites in Guangxi Province, China. The number of different alleles and the Shannon’s information index per ... more

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Contracting population; Gene erosion; Molecular marker; Multi-usage; Native plant; Rose myrtle

Kemunting (Rhodomyrtus tomentosa) from the Myrtaceae family, is native to Malaysia. It is widely used in traditional medicine to treat various illnesses and possesses significant antibacterial properties. In addition, it has great potential as ornamental in landscape design. Genetic variability studies are important for the rational management and conservation of genetic material ... more

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A-FABP; Back fat; H-FABP; Marbling; Molecular marker; Ribeye area

Single nucleotide polymorphisms (SNPs) were screened in FABP3 and FABP4 by automatic sequencing of pools of DNA from crossbred animals whose phenotypes belonged to the upper and lower extremes for back fat and marbling, as well as of a pool of DNA from sires used for crossbreeding. Five SNPs were identified in FABP3 and another nine SNPs were identified in ... more

I.M.Z. Blecha; F. Siqueira; A.B.R. Ferreira; G.L.D. Feijó; R.A.A.Torres Júnior; S.R. Medeiros; I.I. Sousa; G.G. Santiago; A.L.J. Ferraz
12/08/2015
Cleaved amplified polymorphic sequence markers; Disease resistance; Melon; Molecular marker; Sex determination

In this study, molecular markers were designed based on the sex determination genes ACS7 (A) and WIP1 (G) and the domain in the Fusarium oxysporum-resistant gene Fom-2 (F) in order to achieve selection of F. oxysporum-resistant gynoecious melon plants. Markers of A and F are cleaved amplified ... more

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Breeding by design; Chalkiness; Molecular marker; QTLs; Rice; Target genotype variety

The aim of this study was to breed a target genotype variety based on the identified chalkiness marker-QTL (quantitative trait locus) associations in rice. First, a permanent mapping population of rice that consisted of 525 recombinant inbred lines (RILs), which were derived from Zhenshan 97/Minghui 63, was used to identify QTLs with additive effects for rice quantitative traits and ... more

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Chinese cabbage; CRTISO; Fine mapping; Molecular marker; Orange head trait; Sequence blasting

Orange inner leaves/heads is a qualitative trait in Chinese cabbage that is controlled by a single recessive gene. Orange head Chinese cabbage contain more carotenoids than its white head counterpart; hence, this trait is of interest to both researchers and consumers. In this study, we selected the orange head Chinese cabbage line 07A163 and the white head Chinese cabbage line Chiifu as ... more

C.L. Zou; Y. Zheng; P. Wang; X. Zhang; Y.H. Wang; Z.Y. Liu; H. Feng; C.L. Zou; Y. Zheng; P. Wang; X. Zhang; Y.H. Wang; Z.Y. Liu; H. Feng
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Gene flow; Genetic variability; Molecular marker; Selection of matrix trees

Senefeldera verticillata (Euphorbiaceae) is a species that exclusively occurs in the Atlantic Forest; it is used in the restoration and recovery of degraded areas and has therapeutic uses. Due to the scarcity of information on genetic patterns of this species, genetic diversity was characterized by the use of molecular markers, Inter Simple Sequence ... more

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Breeding; Germplasm bank; Molecular marker; Morphological descriptors; Variability

Ornamental peppers have been attracting great commercial interest in recent years. However, despite the demand, the availability of ornamental pepper cultivars to growers and consumers is still reduced, which should stimulate breeding programs for improved varieties. In this context, the identification and characterization of accessions in ornamental pepper ... more

S. Pimenta; W.S. Gome; B.R.A. Rodrigues; L.B. Jardim; A.M.P.Bdo Vale; S.A. de Souza; H.C.F. Monteiro; C.S. Bento; I.N.R. Santos
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AFLP; Argopecten; Heterosis; Hybrid; SSR

Argopecten purpuratus and Argopecten irradians irradi­ans hybridization was successfully performed and the hybrid offspring displayed apparent heterosis in growth traits. To better understand the genetic basis of heterosis, the genomic composition and genetic varia­tion of the hybrids were analyzed with amplified fragment length poly­morphism (AFLP) and simple sequence repeat (SSR) ... more

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Cerrado; Enrichment genomic library; Mangaba; SSR; STR

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A.J.L. Rodrigues; A.T. Yamaguishi; L.J. Chaves; A.S.G. Coelho; J.S. Lima; M.P.C. Telles

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