稻米氨基酸含量和组分及其调控

杨建昌, 李超卿, 江贻

Contents and compositions of amino acids in rice grains and their regulation: a review

YANG Jian-Chang, LI Chao-Qing, JIANG Yi

表2 灌浆期喷施化学调控物质对水稻籽粒天冬氨酸激酶(AK)活性、成熟籽粒精米中17种氨基酸总含量 (TAA)和赖氨酸(Lys)含量的影响¹

Table 2 Effects of chemical regulators on the activity of aspartate kinase (AK) during grain filling and the contents of 17 amino acids (TAA) and lysine (Lys) in milled rice at maturity (AK activity: nmol mg^-1 protein h^-1; contents of amino acids: mg g^-1 DW) ¹

处理² Treatment²	扬稻6号(籼稻) Yangdao 6 (indica)			武运粳24号(粳稻) Wuyunjing 24 (japonica)
处理² Treatment²	AK活性³ AK activity ³	TAA含量 TAA content	Lys含量 Lys content	AK活性³ AK activity ³	TAA含量 TAA content	Lys含量 Lys content
清水Water (control)	26.3	70.8	3.11	27.2	72.5	3.39
10 µmol L^-1 ZR	27.9^ns	71.1^ns	3.13^ns	27.7^ns	72.9^ns	3.41^ns
10 µmol L^-1 IAA	27.4^ns	70.6^ns	3.12^ns	26.9^ns	71.3^ns	3.32^ns
10 µmol L^-1 GA₃	25.7^ns	69.5^ns	3.08^ns	26.3^ns	70.6^ns	3.29^ns
10 µmol L^-1 ACC	25.5^ns	69.7^ns	2.97^ns	25.8^ns	70.4^ns	3.32^ns
10 µmol L^-1 ABA	32.3^*	75.5^*	3.56^*	31.4^*	75.9^*	3.75^*
10 µmol L^-1 24-EBL	33.7^*	77.6^*	3.76^*	32.3^*	77.3^*	3.93^*
50 µmol L^-1 ZR	27.2^ns	71.5^ns	3.10^ns	27.5^ns	72.6^ns	3.38^ns
50 µmol L^-1 IAA	26.5^ns	71.4^ns	3.12^ns	27.1^ns	72.2^ns	3.27^ns
50 µmol L^-1 GA₃	25.1^ns	70.7^ns	3.05^ns	26.4^ns	71.1^ns	3.33^ns
50 µmol L^-1 ACC	24.9^*	68.8^ns	2.92^ns	25.4^ns	69.5^ns	3.14^ns
50 µmol L^-1 ABA	22.2^*	63.3^*	2.55^*	21.6^*	64.8^*	2.73^*
50 µmol L^-1 24-EBL	32.5^*	77.8^*	3.78^*	33.5^*	77.5^*	3.95^*
10 µmol L^-1 ABA+10 µmol L^-1 24-EBL	36.1^**	85.4^**	4.25^**	37.9^**	86.5^**	4.35^**
50 µmol L^-1 ABA+10 µmol L^-1 24-EBL	25.4^ns	70.6^ns	2.86^ns	26.8^ns	71.3^ns	3.17^ns
50 µmol L^-1 ABA+50 µmol L^-1 24-EBL	26.0^ns	71.5^ns	3.09^ns	27.2^ns	72.7^ns	3.22^ns