AI Article Synopsis
- Reducing phytic acid in soybean seeds can enhance the nutritional value of soybean meal and help reduce phosphorus pollution in animal farming.
- The study evaluated two low phytic acid (LPA) mutations and found they did not negatively impact key nutritional traits like crude protein or fatty acids.
- One mutation (Gm-lpa-TW75-1) increased sucrose and decreased raffinose, while the other (Gm-lpa-ZC-2) significantly boosted isoflavone content, indicating these LPA mutants have potential for producing higher quality soybean varieties.
Article Abstract
Reduction of phytic acid in soybean seeds has the potential to improve the nutritional value of soybean meal and lessen phosphorus pollution in large scale animal farming. The objective of this study was to assess the effect of two new low phytic acid (LPA) mutations on seed quality and nutritional traits. Multilocation/season comparative analyses showed that the two mutations did not affect the concentration of crude protein, any of the individual amino acids, crude oil, and individual saturated fatty acids. Among other traits, Gm-lpa-TW75-1 had consistently higher sucrose contents (+47.4-86.1%) and lower raffinose contents (-74.2 to -84.3%) than those of wild type (WT) parent Taiwan 75; Gm-lpa-ZC-2 had higher total isoflavone contents (3038.8-4305.4 microg/g) than its parent Zhechun # 3 (1583.6-2644.9 microg/g) in all environments. Further tests of homozygous F(3) progenies of the cross Gm-lpa-ZC-2 x Wuxing # 4 (WT variety) showed that LPA lines had a mean content of total isoflavone significantly higher than WT lines. This study demonstrated that two LPA mutant genes have no negative effects on seed quality and nutritional traits; they instead have the potential to improve a few other properties. Therefore, these two mutant genes are valuable genetic resources for breeding high quality soybean varieties.
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| http://dx.doi.org/10.1021/jf803862a | DOI Listing |
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Article Synopsis
- The yeast Pichia caribbica from the Meyerozyma guilliermondii species complex shows diverse abilities that help it adapt and survive in various environments.
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