| RRC ID |
54151
|
| 著者 |
Wada T, Yamaguchi O, Miyazaki M, Miyahara K, Ishibashi M, Aihara T, Shibuta T, Inoue T, Tsubone M, Toyosawa Y, Satoh H, Akaishi R, Yoshii Y, Ohtsubo K.
|
| タイトル |
Development and characterization of a new rice cultivar, 'Chikushi-kona 85', derived from a starch-branching enzyme IIb-deficient mutant line.
|
| ジャーナル |
Breed Sci
|
| Abstract |
A new super-hard rice cultivar, 'Chikushi-kona 85', which was derived from a cross between 'Fukei 2032' and 'EM129', was developed via bulk method breeding. 'Chikushi-kona 85' showed a higher content of resistant starch than the normal non-glutinous rice cultivar, 'Nishihomare', and a higher grain yield than the first super-hard rice cultivar, 'EM10'. The amylopectin chain length of 'Chikushi-kona 85' and its progenitor line 'EM129' was longer than that of 'Nishihomare', and was similar to that of 'EM10'. This suggests that the starch property of 'Chikushi-kona 85' was inherited from 'EM129', which is a mutant line deficient in a starch branching enzyme similar to 'EM10'. Genetic analysis of 'Chikushi-kona 85' crossed with 'Nishihomare' also showed that the starch property of 'Chikushi-kona 85' was regulated by a single recessive gene. Consumption of processed cookies made from 'Chikushi-kona 85' flour showed a distinctive effect in controlling blood sugar levels in comparison to the normal non-glutinous rice cultivar 'Hinohikari'. These results show that 'Chikushi-kona 85' is a novel genetic source to develop new products made of rice, which could reduce calorie intake and contribute to additional health benefits.
|
| 巻・号 |
68(2)
|
| ページ |
278-283
|
| 公開日 |
2018-3-1
|
| DOI |
10.1270/jsbbs.17069
|
| PII |
68_17069
|
| PMID |
29875612
|
| PMC |
PMC5982178
|
| IF |
1.865
|
| 引用数 |
2
|
| リソース情報 |
| イネ |
Induced mutation line |
