Development of a Reduced Linolenate Soy Mutant by Re-irradiation and its Genetic Analysis
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概要
- 論文の詳細を見る
A high content of linolenic acid lcads to reduction of keeping quality and frying stability of cooking oil. The present study was conducted to obtain a further reduction of linolenic acid in soybean [Glycine max (L.) Merr.] oil by re-irradiation of M-5 and determine its genetic system. M-5 is a mutant with 4.5% Iinolenic acid content, derived from the cultivar Bay (8.0% Iinolenic acid). A seed lot from line M-5 was treated with X-ray irradiation and M_2 plants were obtained from randomly selected seeds of Ml plants. The M_2 plants were screened for reduced linolenic acid. One plant was found with 3.0% Iinolenic acid content and was named MS382. The M_3 and M_4 generations of this line proved that the character was fixed and significantly lower than the M-5 control. For inheritance studies, MS382 was reciprocally crossed with M-5(fan) and LOLL[fanfanx^a, a recombinant of M-5 (fan)× M24 (fanx^a)]. The F_2 segregation ratio and the segregation of F_3 seeds from F_2 plants of MS382×M-5 indicated that reduced linolenic acid in MS382 was conbindly controlled by fan (M-5) and an additional gene. To determine if this additional gene was similar with the fanxa gene in LOLL, F_2 seeds and F_3 seeds from each F_2 plant of MS382×LOLL were evaluated. No transgressive segregation for linolenic acid was found in this cross, indicating the genes for reduced linolenic acid content in MS382 and LOLL were identical. However, the mutant MS382 was developed by re-irradiation which indicates the practicability of this technique to develop new gene for further reduction of linolenic acid in soybean oil.
- 日本育種学会の論文
著者
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Wasala Kumari
Rice Research And Development Institute
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RAHMAN MIZANUR
Department of Rheumatology and Hematology, Tohoku University School of Medicine
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Anai Toyoaki
Laboratory of Plant Genetics and Breeding, Faculty of Agriculture, Saga University
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Takagi Yutaka
Laboratory of Plant Genetics and Breeding, Faculty of Agriculture, Saga University
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Kinoshita Takehito
Saga Prefectural Agricultural Research Center
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Anai T
Laboratory Of Plant Genetics And Breeding Faculty Of Agriculture Saga University
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Anai Toyoaki
Laboratory Of Plant Breeding Faculty Of Agriculture Saga University
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Anai Toyoaki
Institute Of Applied Biochemistry University Of Tsukuba
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Rahman Shaikh
Department Of Applied Biological Sciences Faculty Of Agriculture Saga University
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Takagi Y
Laboratory Of Plant Genetics And Breeding Faculty Of Agriculture Saga University
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Takagi Yasunari
Department Of Applied Physics And Chemistry The University Of Electro-communications
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Khalekuzzaman Mohammad
Laboratory of Plant Breeding, Facuty of Agriculture, Saga Universty
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Kinoshita Takehito
Laboratory Of Plant Genetics And Breeding Faculty Of Agriculture Saga University:(present Office)sag
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Khalekuzzaman Mohammad
Laboratory Of Plant Breeding Facuty Of Agriculture Saga Universty
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Kinoshita T
Laboratory Of Plant Genetics And Breeding Faculty Of Agriculture Saga University:(present Office)sag
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Rahman Mizanur
Department Of Medicine Division Of Clinical Immunology And Rheumatology University Of Texas Health S
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Rahman Mizanur
Department Of Applied Biological Sciences Faculty Of Agriculture Saga University
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Takagi Yutaka
Laboratory Of Plant Genetics And Breeding Faculty Of Agriculture Saga University
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Takagi Yutaka
Laboratory Enzymology And Microbial Chemistry Tokyo University Of Agriculture And Technology
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Anai Toyoaki
Fac. Of Agriculture Saga Univ.
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Rahman Shaikh
Department of Genetics and Breeding, Rajshahi University
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YAMAURA Takashi
Institute of Applied Physics, University of Tsukuba
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