C.F. Ferreira
Genetic variability in banana diploids and nonparametric statistics of fragments associated with natural fruit finger drop
Natural fruit finger drop in bananas is one of the major concerns of producers as well as consumers. The aim of this study was to estimate the genetic diversity among 15 diploid bananas with different levels of resistance to finger drop (RFD) using SSR and ISSR (inter-simple sequence repeat) markers, and assess the possibility of association of bands with RFD variab.. Read More»
Genet. Mol. Res. 16(3): gmr16039554
DOI: 10.4238/gmr16039554
Evaluation of microsatellite loci from libraries derived from the wild diploid ‘Calcutta 4’ and ‘Ouro’ banana cultivars
Microsatellite markers have been widely used in the quantification of genetic variability and for genetic breeding in Musa spp. The objective of the present study was to evaluate the discriminatory power of microsatellite markers derived from ‘Calcutta 4’ and ‘Ouro’ genomic libraries, and to analyze the genetic variability among 30 banana accessions. Thirty-eight markers.. Read More»
Genet. Mol. Res. 14(3): http://dx.doi.org/2015.September.25.9
DOI: http://dx.doi.org/10.4238/2015.September.25.9
Variability analysis of ‘Persian’ acid lime tree selections using agronomic and molecular markers
‘Persian’ acid lime (PAL) is the most important triploid commercial citrus crop planted in the world. Little is known about the genetic variability of the selections used in Brazil. Therefore, 25 genotypes originating from the PAL, and three control species, Citrus sunki, C. limon, and C. aurantiifolia, were assessed using inter-simple sequence repeat (ISSR) and inter-retrotransposo.. Read More»
Genet. Mol. Res. 12(4): 2013.October.17.3
DOI: 10.4238/2013.October.17.3
New microsatellite markers for bananas (Musa spp)
Thirty-four microsatellite markers (SSRs) were identified in EST and BAC clones from Musa acuminata burmannicoides var. Calcutta 4 and validated in 22 Musa genotypes from the Banana Germplasm Bank of Embrapa-CNPMF, which includes wild and improved diploids. The number of alleles per locus ranged from 2 to 14. The markers were considered highly informative based on t.. Read More»
Genet. Mol. Res. 11(2): 2012.April.27.8
DOI: 10.4238/2012.April.27.8
Genetic dissimilarity and selection of putative mutants of Terra Maranhão plantain cultivar using the Ward-MLM strategy
The objective of this study was to evaluate genetic variability and select putative mutants of Terra Maranhão plantain cultivar (AAB genome) subjected to gamma radiation based on agronomic data and inter simple sequence repeat molecular marker profiles using the Ward-MLM strategy. A total of 233 irradiated plants and 41 controls were assessed. The agronomic a.. Read More»
Genet. Mol. Res. 14(4): 2015.November.30.11
DOI: 10.4238/2015.November.30.11
Genetic fidelity and variability of micropropagated cassava plants (Manihot esculenta Crantz) evaluated using ISSR markers
Molecular markers are efficient for assessing the genetic fidelity of various species of plants after in vitro culture. In this study, we evaluated the genetic fidelity and variability of micropropagated cassava plants (Manihot esculenta Crantz) using inter-simple sequence repeat markers. Twenty-two cassava accessions from the Embrapa Cassava & Fruits Germplasm Bank were used. For each acce.. Read More»
Genet. Mol. Res. 14(3): 2015.July.14.2
DOI: 10.4238/2015.July.14.2
Estimation of genetic structure of a Mycosphaerella musicola population using inter-simple sequence repeat markers
Among the diseases affecting banana (Musa sp), yellow Sigatoka, caused by the fungal pathogen Mycosphaerella musicola Leach, is considered one of the most important in Brazil, causing losses throughout the year. Understanding the genetic structure of pathogen populations will provide insight into the life history of pathogens, including the evolutionary processes occurring in agrosystems. Tools.. Read More»
Genet. Mol. Res. 14(3): 2015.July.17.13
DOI: 10.4238/2015.July.17.13
Variable number of tandem repeat markers in the genome sequence of Mycosphaerella fijiensis, the causal agent of black leaf streak disease of banana (Musa spp)
We searched the genome of Mycosphaerella fijiensis for molecular markers that would allow population genetics analysis of this plant pathogen. M. fijiensis, the causal agent of banana leaf streak disease, also known as black Sigatoka, is the most devastating pathogen attacking bananas (Musa spp). Recently, the entire genome sequence of M. fijiensis became available... Read More»
Genet. Mol. Res. 9(4): vol9-4gmr934
DOI: 10.4238/vol9-4gmr934
Genetic dissimilarity of putative gamma-ray-induced ‘Preciosa - AAAB-Pome type’ banana (Musa sp) mutants based on multivariate statistical analysis
Bananas are among the most important fruit crops worldwide, being cultivated in more than 120 countries, mainly by small-scale producers. However, short-stature high-yielding bananas presenting good agronomic characteristics are hard to find. Consequently, wind continues to damage a great number of plantations each year, leading to lodging of plants and bunch loss. .. Read More»
Genet. Mol. Res. 10(4): 2011.October.25.2
DOI: 10.4238/2011.October.25.2
Development of a cassava core collection based on single nucleotide polymorphism markers
Single nucleotide polymorphism (SNP) markers were used in the largest cassava (Manihot esculenta Crantz) germplasm collection from Brazil to develop core collections based on the maximization strategy. Subsets with 61, 64, 84, 128, 256, and 384 cassava accessions were selected and named PoHEU, MST64, PoRAN, MST128, MST256, and MST384, respectively. All the .. Read More»
Genet. Mol. Res. 13(3): 2014.August.25.11
DOI: 10.4238/2014.August.25.11
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