Screening and characterization of cultivar with M-type amylopectin in Japanese upland rice
| العنوان: | Screening and characterization of cultivar with M-type amylopectin in Japanese upland rice |
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| المؤلفون: | Hideo Hirasawa, Takayuki Umemoto, Kazuyuki Okamoto |
| المصدر: | Breeding Science. 59:179-186 |
| بيانات النشر: | Japanese Society of Breeding, 2009. |
| سنة النشر: | 2009 |
| مصطلحات موضوعية: | Oryza sativa, Starch, Plant Science, Upland rice, Biology, Horticulture, chemistry.chemical_compound, Agronomy, chemistry, Amylopectin, Genetics, Starch granule, Cultivar, Agronomy and Crop Science |
| الوصف: | Asian rice (Oryza sativa L.) cultivars were recently classified into L-type, S-type, and intermediate M-type (rich, poor and middle intermediate-chain) on the basis of the fine structure of amylopectin in their grains. We selected 4 cultivars with M-type amylopectin from 174 local Japanese nonwaxy upland rice cultivars by scoring the disintegration of starch granules in alkaline solution and measuring the pasting temperature (PT) of their rice flours. Analyzed amylopectin fine structure, these cultivars exhibited intermediate characteristics between those of S-type Koshihikari and L-type IRAT109. Moreover, compared hardness of dumpling cakes after cooled for 3 h and 24 h. The hardness was in the order L-type > M-type > S-type, each other. On the other hand, the amylopectin chain ratio (ACR) was negatively correlated with the hardness of dumpling cakes both after cooled for 3 h and 24 h. Therefore, we concluded that the 4 cultivars—Chikanarijyun1, Hokkaiakage, Kairyo13, and Mogamichikanari1—had M-type amylopectin, and Japanese local upland rice has wide genetic diversity about starch mutation. |
| تدمد: | 1347-3735 1344-7610 |
| الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_________::e409caf43225c4fdeb7b3d704c9ace37Test https://doi.org/10.1270/jsbbs.59.179Test |
| حقوق: | OPEN |
| رقم الانضمام: | edsair.doi...........e409caf43225c4fdeb7b3d704c9ace37 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 13473735 13447610 |
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