A.A.B. Rossi
Diversity and genetic structure of the native Brazil nut tree (Bertholletia excelsa Bonpl.) population
The present study was carried out in a native Brazil nut tree population (Bertholletia excelsa Bonpl., Lecythidaceae) to assess its genetic diversity and structure. Ten microsatellite markers were used to genotype 198 adult trees (B. excelsa). The population presented high genetic diversity and inbreeding absence rates. The empirical Bayesian method showed three dis.. Read More»
Genet. Mol. Res. 16(3): gmr16039702
DOI: 10.4238/gmr16039702
Genetic diversity in cassava landraces grown on farms in Alta Floresta-MT, Brazil
Brazil is considered one of the domestication centers of cassava (Manihot esculenta), containing a large part of the biological diversity and traditional knowledge of the species. The aim of the present study was to evaluate the genetic diversity of cassava landraces grown by farmers in the north of Mato Grosso State, Brazil, using inter simple sequence repeat (ISSR.. Read More»
Genet. Mol. Res. 15(3): gmr.15038615
DOI: 10.4238/gmr.15038615
Effect of fragmentation on the natural genetic diversity of Theobroma speciosum Willd. ex Spreng. populations
t fragmentation reduces the effective size of natural populations, isolates individuals in the landscape, and, consequently, changes species’ mating systems by increasing the degree of relatedness between individuals and inbreeding. Investigating the impact of habitat degradation on forest fragments helps to assess the genetic and ecological consequences of th.. Read More»
Genet. Mol. Res. 15(4): gmr15048630
DOI: 10.4238/gmr15048630
Genetic structure of natural populations of Theobroma in the Juruena National Park, Mato Grosso State, Brazil
Several species within the genus Theobroma have particularly high economic value, including T. cacao and T. grandiflorum. Other species in this genus, such as T. speciosum and T. subincanum, have potential value for use in the conservation of genetic diversity in breeding programs. These latter species could also be domesticated or improved to produce commercial products. Using 13 simple sequen.. Read More»
Genet. Mol. Res. 14(3): http://dx.doi.org/2015.September.1.3
DOI: http://dx.doi.org/10.4238/2015.September.1.3
Genetic diversity of Cajazeira (Spondias mombin L.) in three geographic regions
Cajazeira (Spondias mombin L.), of the family Anacardiaceae, is a species of fruit tree found in the Amazon region with fruits that have excellent prospects for commercial use. We aimed to evaluate the genetic diversity within and among natural populations of S. mombin, with natural occurrence in northern Mato Grosso State, by using inter-simple sequence repeat (ISS.. Read More»
Genet. Mol. Res. 16(1): gmr16018946
DOI: 10.4238/gmr16018946
Population structure and genetic diversity in natural populations of Theobroma speciosum Willd. Ex Spreng (Malvaceae)
The genus Theobroma found in the Amazon region is composed of 22 species, including Theobroma speciosum, better known as cacauí. These species are constantly threatened by forest fragmentation caused by human activities and require conservation strategies and management aimed at preserving them in their natural environments. The main objective of this study w.. Read More»
Genet. Mol. Res. 13(2): 2014.February.14.5
DOI: 10.4238/2014.February.14.5
Genetic diversity in natural populations of Theobroma subincanum Mart. in the Brazilian Amazon
The genus Theobroma, recently reclassified in the family Malvaceae, comprises some species with high economic potential, including the cupuí, Theobroma subincanum Mart., which has not yet been domesticated, and whose genetics and population structure are mostly unknown. This study aimed to assess the population structure and genetic diversity in natural populations of T. subincanum Mart... Read More»
Genet. Mol. Res. 12(4): 2013.October.24.12
DOI: 10.4238/2013.October.24.12
The genetic diversity and population structure of Genipa americana L. in Northern Mato Grosso, Brazil
Genipa americana L. (Rubiaceae) is an Amazon region-natural species, which may be subject to inbreeding, since it grows in fragmented environments. The aim of the current study is to assess the genetic diversity and population structure of three G. americana populations naturally grown in Northern Mato Grosso State using SSR markers. The DNA extraction was performed.. Read More»
Genet. Mol. Res. 17(1): gmr16039899
DOI: 10.4238/gmr16039899
Morphological descriptors and ISSR molecular markers in the evaluation of genetic variability of Tectona grandis genotypes
This study aimed to evaluate the genetic variability of the teak germplasm bank, using morphological traits and inter-simple sequence repeat molecular markers. Thirty clones were evaluated in a randomized complete block design with three replicates, and each plot was composed of three plants. A joint analysis of quantitative and qualitative variables was performed u.. Read More»
Genet. Mol. Res. 16(2): gmr16029665
DOI: 10.4238/gmr16029665
Genetic diversity among Hymenaea courbaril L. genotypes naturally occurring in the north of Mato Grosso State, Brazil
Hymenaea courbaril L. is a tropical tree species with economic and medicinal potential largely used in programs for the recovery of degraded areas. The use of molecular markers in genetic studies can help in the definition of forest restoration strategies. This study was conducted to analyze the genetic diversity among H. courbaril (‘jatobá’) geno.. Read More»
Genet. Mol. Res. 16(3): gmr16039706
DOI: 10.4238/gmr16039706
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