Departamento de Genética, Facultad de Biología, Universidad Complutense, E-28040, Madrid, Spain.
Theor Appl Genet. 1985 Nov;71(1):61-7. doi: 10.1007/BF00278255.
Embryo and endosperm peroxidases from dry mature seeds of three subspecies of tetraploid wheat (Triticum turgidum L.) were subjected to genetic analysis. The inheritance of eight isozymes (embryo isozymes a2, d1, d2, e and f; and endosperm isozymes b, d and 4) were studied in F2's obtained from different wheat accessions. Simple monogenic inheritance producing three banded: one null segregation and two epistatic segregations (9∶7 and 15∶1) were found. In the case of isozymes b, d and 4, monogenic or epistatic segregation depended on the F2 analyzed. Segregation data indicated that at least 9 different loci would determine the peroxidase isozymes of tetraploid wheat seed, all the loci studied containing 'null' alleles. Furthermore, several loci determining embryo peroxidases were noticed to be mutually linked. All these data are discussed in context of the inheritance of seed peroxidases in hexaploid wheat and rye.
从三个四倍体小麦亚种(硬粒小麦)干成熟种子的胚胎和胚乳过氧化物酶进行遗传分析。通过对来自不同小麦品系的 F2 代进行研究,研究了 8 种同工酶(胚胎同工酶 a2、d1、d2、e 和 f;胚乳同工酶 b、d 和 4)的遗传情况。发现简单的单基因遗传产生了三种带型:一种无效分离和两种上位性分离(9∶7 和 15∶1)。对于同工酶 b、d 和 4,单基因或上位性分离取决于分析的 F2 代。分离数据表明,至少有 9 个不同的基因座决定了四倍体小麦种子的过氧化物酶同工酶,所有研究的基因座都包含“无效”等位基因。此外,还注意到一些决定胚胎过氧化物酶的基因座彼此连锁。所有这些数据都在六倍体小麦和黑麦种子过氧化物酶遗传的背景下进行了讨论。