Genetic Diversity and Structure of Populations of Annona crassiflora Mart. of Brazilian Savanna and Its Association with Chemical Variability

Abstract

Annona crassiflora Mart. is a native tree from Brazilian savanna. Isoquinoline alkaloids are characteristic of species of Annonaceae. This work aimed to assess the magnitude of genetic diversity among different populations of A. crassiflora using AFLP markers, and verify the existence of any correlation between the AFLP data and previous reported alkaloid composition. A. crassiflora from eight populations in the states of São Paulo, Goiás, Minas Gerais, and Distrito Federal were analyzed. The data suggest a low, moderate, and high level of genetic diversity from different populations of A. crassiflora. Concentration of alkaloids was significantly correlated with AFLP data, suggesting interaction between chemical and molecular markers in A. crassiflora. The data of association between the chemical and genetic differentiation of A. crassiflora may be useful to establish cultivation areas allowing the definition of strategies to preserve their genetic diversity with an interest in specific chemotypes for genetic improvement programs focused on sustainable utilization of this specie.

Association of Genetic Structure and Diversity in Iranian Wild Germplasms ofMentha longifoliaL. Based on Phenotypical, Biochemical, and Molecular Markers

“…The being outcomes proved that the phenotypic variability obtained from the clustering of the M. longifolia accessions in some items has no association with the geographical pattern. So discrepancies between the morphological cluster and the geographical spots of the accessions could be described by the preferences of genetic elements on geographical sources [45] …”

“…Relationships between molecular markers and other quantitative traits have been simultaneously used to describe the variability in many medicinal plants [39,42–45] . In the current study, ISSR markers were employed for the first time to identify a piece of better knowledge about the association between genetic diversity and morpho‐chemical characteristics of M. longifolia accessions (MLACs) from Iran.…”

Metabolomics of Myrcia bella Populations in Brazilian Savanna Reveals Strong Influence of Environmental Factors on Its Specialized Metabolism

“…These specimens were collected from conservation areas such the Jardim Botânico de Bauru (forest) and Parque Nacional das Emas (national park). Other studies using the AFLP technique in protected areas with native species from Brazilian savanna have found similar levels of intrapopulation genetic diversity [65][66][67][68]. Lower values of intrapopulation genetic diversity were found for Campo Grande, Três Lagoas, and Selvíria populations (chemotypes CII and CII) from areas under anthropic pressure.…”

Spatio‐Temporal Variation of Alkaloids in Annona purpurea and the Associated Influence on Their Antifungal Activity

“…[27] Investigations on applicability of the compounds to fungi affecting plant crops are scarce, [7] and The mean (n = 6) values followed by the same lower case letters in the columns and upper case letters in the rows, for each collect time, do not differ according to Mann-Whitney test at p < 0.05 The mean (n = 6) values followed by the same lower case letters in the columns and upper case letters in the rows, for each recollect time, do not differ according to Mann -Whitney test at p < 0.05 those reporting the effects of environmental conditions, including geographical variation, [20,28] seasonality and nitrogen variation, [9,29] on the biosynthesis of secondary metabolites are even more scarce. [27] Investigations on applicability of the compounds to fungi affecting plant crops are scarce, [7] and The mean (n = 6) values followed by the same lower case letters in the columns and upper case letters in the rows, for each collect time, do not differ according to Mann-Whitney test at p < 0.05 The mean (n = 6) values followed by the same lower case letters in the columns and upper case letters in the rows, for each recollect time, do not differ according to Mann -Whitney test at p < 0.05 those reporting the effects of environmental conditions, including geographical variation, [20,28] seasonality and nitrogen variation, [9,29] on the biosynthesis of secondary metabolites are even more scarce.…”