Isozyme characterization of Capsicum accessions from the Amazonian Colombian collection / Caracterización por isoenzimas de accesiones de Capsicum pertenecientes a la colección amazónica colombiana
Rev. colomb. biotecnol
;
7(1): 59-65, jul. 2005. mapas, tab, graf
Article
in English
| LILACS
| ID: lil-606122
ABSTRACT
Two hundred and sixty-one accessions of the genus Capsicum were obtained from the Colombian Amazonian germplasm bank at Amazonian Institute of Scientific Research (Sinchi) and were evaluated with five polymorphic enzymatic systems, including esterase (EST), peroxidase (PRX), 6-phosphogluconatedehydrogenase (6-PGDH), aspartate amino transferase (GOT), and malic enzyme (ME). Using a cluster analysis (UPGMA) the genetic variability of these accessions were characterized. Grouping of the species C. baccatum and C. pubescens were observed, while the species C. annuum, C. chinense and C. frutescens did not group independently, a result that has been previously reported in isoenzyme analyses of this genus. Several accessions were deemed of particular interest for future ecological and evolutive studies.
RESUMEN
Doscientas sesenta y una accesiones del género Capsicum del banco de germoplasma del Instituto Amazónico de Investigaciones Científicas (Sinchi) se evaluaron a través de cinco sistemas enzimáticos polimórficos esterasa (EST), peroxidasa (PRX), 6-fosfogluconato deshidrogenasa (6-PGDH), aspartato amino transferasa(GOT) y enzima málica (ME). Se utilizó un análisis de agrupamiento (Upgma) con el fin de determinar la variabilidad genética. Se observó un agrupamiento de las especies C. baccatum y C. pubescens, mientras que las especies C. annuum, C. chinense y C. frutescens no mostraron un agrupamiento independiente, lo cual ya ha sido reportado en estudios por isoenzimas para el género. Varias accesiones mostraron característicasparticulares para estudios ecológicos y evolutivos.
Full text:
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Index:
LILACS (Americas)
Main subject:
Capsicum
/
Enzyme Reactivators
/
Isoenzymes
Country/Region as subject:
South America
/
Colombia
Language:
English
Journal:
Rev. colomb. biotecnol
Journal subject:
Biotechnology
Year:
2005
Type:
Article
Affiliation country:
Colombia
Institution/Affiliation country:
Instituto Amazónico de Investigaciones Científicas Sinchi/CO
/
Universidad Nacional de Colombia/CO
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