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本文引用的文献

1
Purification of maize pollen exines and analysis of associated proteins.玉米花粉外壁的纯化及相关蛋白分析。
Plant Physiol. 1992 Oct;100(2):756-61. doi: 10.1104/pp.100.2.756.
2
Developmental Regulation of a Plasma Membrane Arabinogalactan Protein Epitope in Oilseed Rape Flowers.油菜花花中一种质膜阿拉伯半乳聚糖蛋白表位的发育调控
Plant Cell. 1991 Dec;3(12):1317-1326. doi: 10.1105/tpc.3.12.1317.
3
Molecular Mechanisms of Pollen Tube Growth and Differentiation.花粉管生长与分化的分子机制
Plant Cell. 1993 Oct;5(10):1303-1314. doi: 10.1105/tpc.5.10.1303.
4
Structure and function of plant cell wall proteins.植物细胞壁蛋白的结构与功能。
Plant Cell. 1993 Jan;5(1):9-23. doi: 10.1105/tpc.5.1.9.
5
Isolation and characterization of a polygalacturonase gene highly expressed in Brassica napus pollen.甘蓝型油菜花粉中高表达的一种多聚半乳糖醛酸酶基因的分离与鉴定
Plant Mol Biol. 1993 Dec;23(6):1273-8. doi: 10.1007/BF00042360.
6
Sequence and expression of endogenous S-locus glycoprotein genes in self-compatible Brassica napus.自交亲和油菜中内源性S-位点糖蛋白基因的序列与表达
Mol Gen Genet. 1994 Jan;242(2):209-16. doi: 10.1007/BF00391015.
7
Characterization of a pollen-expressed gene encoding a putative pectin esterase of Petunia inflata.矮牵牛中一个编码假定果胶酯酶的花粉表达基因的特性分析。
Plant Mol Biol. 1994 Jun;25(3):539-44. doi: 10.1007/BF00043881.
8
Characterization of a tobacco gene encoding a pollen-specific polygalacturonase.一个编码花粉特异性多聚半乳糖醛酸酶的烟草基因的特性分析。
Plant Mol Biol. 1994 May;25(2):283-97. doi: 10.1007/BF00023244.
9
Molecular cloning of a gene encoding an arabinogalactan-protein from pear (Pyrus communis) cell suspension culture.从梨（西洋梨）细胞悬浮培养物中克隆编码阿拉伯半乳聚糖蛋白的基因
Proc Natl Acad Sci U S A. 1994 Oct 25;91(22):10305-9. doi: 10.1073/pnas.91.22.10305.
10
Xylem-specific gene expression in loblolly pine.火炬松木质部特异性基因表达
Plant Mol Biol. 1995 Jan;27(2):277-91. doi: 10.1007/BF00020183.

两个编码假定阿拉伯半乳聚糖蛋白的甘蓝型油菜花粉表达基因的分子特征分析

Molecular characterization of two Brassica napus pollen-expressed genes encoding putative arabinogalactan proteins.

作者信息

Gerster J, Allard S, Robert L S

机构信息

Plant Research Centre, Central Experimental Farm, Ottawa, Ontario, Canada.

出版信息

Plant Physiol. 1996 Apr;110(4):1231-7. doi: 10.1104/pp.110.4.1231.

DOI:10.1104/pp.110.4.1231
PMID:8934626
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC160914/
Abstract

Two highly homologous cDNA clones, Sta 39-3 and Sta 39-4, corresponding to mRNAs highly expressed in Brassica napus cv Westar stamens were isolated by differential screening and characterized. Northern blot and in situ analyses demonstrated that Sta 39-3 and Sta 39-4 transcripts accumulate in pollen following the first pollen mitosis and are abundant at pollen maturity, thus identifying them as "late" pollen genes. Sta 39-3 and Sta 39-4 belong to a small gene family. Their predicted proteins share similarities with those deduced from recently isolated cDNAs encoding arabinogalactan proteins, which include a similar molecular mass (approximately 13 kD); high levels of alanine, proline, serine, and threonine, which are interspersed throughout the protein with no obvious repetitive motif; low levels of cysteine, histidine, tryptophan, and tyrosine; and hydrophobic N- and C-terminal ends. The Sta 39-3 and Sta 39-4 proteins may play a role in pollen germination and tube growth.

摘要

通过差异筛选分离并鉴定了两个高度同源的cDNA克隆，即Sta 39-3和Sta 39-4，它们对应于在甘蓝型油菜品种Westar雄蕊中高表达的mRNA。Northern杂交和原位分析表明，Sta 39-3和Sta 39-4转录本在第一次花粉有丝分裂后在花粉中积累，并且在花粉成熟时大量存在，因此将它们鉴定为“晚期”花粉基因。Sta 39-3和Sta 39-4属于一个小基因家族。它们预测的蛋白质与最近分离的编码阿拉伯半乳聚糖蛋白的cDNA推导的蛋白质具有相似性包括相似的分子量（约13 kD）；高水平的丙氨酸、脯氨酸、丝氨酸和苏氨酸，它们散布在整个蛋白质中，没有明显的重复基序；低水平的半胱氨酸、组氨酸、色氨酸和酪氨酸；以及疏水N端和C端。Sta 39-3和Sta 39-4蛋白质可能在花粉萌发和花粉管生长中起作用。