Optimization of soybean dna extraction under different storage and development periods
DNA extraction of plants with high quality is very important to researches in molecular biology. Several extraction protocols have been used to obtain soybean DNA; however, there is a lack of papers about extraction protocols optimization and the best developmental stage of the plant to collect them...
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Universidade Federal de Uberlândia
2015-06-01
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doaj-22bef77319494cabaf971d150d2012462021-06-29T19:05:47ZengUniversidade Federal de UberlândiaBioscience Journal1981-31632015-06-0131410.14393/BJ-v31n4a2015-2834328343Optimization of soybean dna extraction under different storage and development periodsAna Carolina Oliveira Mesquita0Adriana de Andrade Figueiró1Karla Rodrigues Couto2Marília de Freitas Oliveira3Fernando Cezar Juliatti4Universidade Federal de UberlândiaUniversidade Federal de UberlândiaUniversidade Federal de UberlândiaUniversidade Federal de UberlândiaUniversidade Federal de UberlândiaDNA extraction of plants with high quality is very important to researches in molecular biology. Several extraction protocols have been used to obtain soybean DNA; however, there is a lack of papers about extraction protocols optimization and the best developmental stage of the plant to collect them. Therefore, the main purpose of the study was to extract high quantity and quality of DNA from fresh or frozen soybean samples, using different protocols. Moreover, we analyzed the best developmental stage of the plant to do the extraction. Fresh leaves or leaves kept for two years in the ultra-freezer were submitted to the DNA extraction protocols: Haberer et al., 1996 (modified); second modification from Haberer et al., 1996; Murray & Thompson, 1980 (modified) e Doyle & Doyle, 1990 (modified). Modified protocol of Doyle & Doyle was used to value the best stage to collect the leaves to do the DNA extraction. The samples were collected in the stages of development VC, V1, V2, V3, V4 and R5. The experiments were conducted in completely randomized design with 10 samples per treatment. The data underwent variance analysis and the averages were compared by the Tukey test (p<0.05). Through Doyle & Doyle, 1990 and Haberer et al., 1996 modified protocols, for both fresh and frozen samples, it was possible to obtain a higher total DNA concentration if compared to the other tested protocols. However, the quality of DNAs extracted by the protocol Doyle & Doyle, 1990 (modified) was superior, due to a minor molecular degradation. Besides that, the extractions made with these protocols have shown to be more efficient using frozen leaves' tissue. Higher DNA concentrations were obtained analyzing VC samples; however, there were no statistical differences between the stages VC, V2 and V3. It is suggested thereby to use modified of Doyle & Doyle for DNA extraction from soybean leaves in V2 and V3 stages of development from frozen samples, providing the collect of a large number of samples and its storage until the analysis.http://www.seer.ufu.br/index.php/biosciencejournal/article/view/28343glycine maxmolecular biologyctab |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Ana Carolina Oliveira Mesquita Adriana de Andrade Figueiró Karla Rodrigues Couto Marília de Freitas Oliveira Fernando Cezar Juliatti |
spellingShingle |
Ana Carolina Oliveira Mesquita Adriana de Andrade Figueiró Karla Rodrigues Couto Marília de Freitas Oliveira Fernando Cezar Juliatti Optimization of soybean dna extraction under different storage and development periods Bioscience Journal glycine max molecular biology ctab |
author_facet |
Ana Carolina Oliveira Mesquita Adriana de Andrade Figueiró Karla Rodrigues Couto Marília de Freitas Oliveira Fernando Cezar Juliatti |
author_sort |
Ana Carolina Oliveira Mesquita |
title |
Optimization of soybean dna extraction under different storage and development periods |
title_short |
Optimization of soybean dna extraction under different storage and development periods |
title_full |
Optimization of soybean dna extraction under different storage and development periods |
title_fullStr |
Optimization of soybean dna extraction under different storage and development periods |
title_full_unstemmed |
Optimization of soybean dna extraction under different storage and development periods |
title_sort |
optimization of soybean dna extraction under different storage and development periods |
publisher |
Universidade Federal de Uberlândia |
series |
Bioscience Journal |
issn |
1981-3163 |
publishDate |
2015-06-01 |
description |
DNA extraction of plants with high quality is very important to researches in molecular biology. Several extraction protocols have been used to obtain soybean DNA; however, there is a lack of papers about extraction protocols optimization and the best developmental stage of the plant to collect them. Therefore, the main purpose of the study was to extract high quantity and quality of DNA from fresh or frozen soybean samples, using different protocols. Moreover, we analyzed the best developmental stage of the plant to do the extraction. Fresh leaves or leaves kept for two years in the ultra-freezer were submitted to the DNA extraction protocols: Haberer et al., 1996 (modified); second modification from Haberer et al., 1996; Murray & Thompson, 1980 (modified) e Doyle & Doyle, 1990 (modified). Modified protocol of Doyle & Doyle was used to value the best stage to collect the leaves to do the DNA extraction. The samples were collected in the stages of development VC, V1, V2, V3, V4 and R5. The experiments were conducted in completely randomized design with 10 samples per treatment. The data underwent variance analysis and the averages were compared by the Tukey test (p<0.05). Through Doyle & Doyle, 1990 and Haberer et al., 1996 modified protocols, for both fresh and frozen samples, it was possible to obtain a higher total DNA concentration if compared to the other tested protocols. However, the quality of DNAs extracted by the protocol Doyle & Doyle, 1990 (modified) was superior, due to a minor molecular degradation. Besides that, the extractions made with these protocols have shown to be more efficient using frozen leaves' tissue. Higher DNA concentrations were obtained analyzing VC samples; however, there were no statistical differences between the stages VC, V2 and V3. It is suggested thereby to use modified of Doyle & Doyle for DNA extraction from soybean leaves in V2 and V3 stages of development from frozen samples, providing the collect of a large number of samples and its storage until the analysis. |
topic |
glycine max molecular biology ctab |
url |
http://www.seer.ufu.br/index.php/biosciencejournal/article/view/28343 |
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