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本文引用的文献

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Genetic Control of Flower Development by Homeotic Genes in Antirrhinum majus.金鱼草中同源异型基因对花发育的遗传控制
Science. 1990 Nov 16;250(4983):931-6. doi: 10.1126/science.250.4983.931.
2
The TM5 MADS Box Gene Mediates Organ Differentiation in the Three Inner Whorls of Tomato Flowers.TM5 MADS盒基因介导番茄花三个内轮的器官分化。
Plant Cell. 1994 Feb;6(2):175-186. doi: 10.1105/tpc.6.2.175.
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The transition to flowering.向开花的转变。
Plant Cell. 1998 Dec;10(12):1973-90. doi: 10.1105/tpc.10.12.1973.
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Conservation of gene structure and activity in the regulation of reproductive organ development of conifers and angiosperms.针叶树和被子植物生殖器官发育调控中基因结构与活性的保守性。
Plant J. 1998 Sep;15(5):615-23. doi: 10.1046/j.1365-313x.1998.00236.x.
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Eucalypt MADS-box genes expressed in developing flowers.在发育中的花朵中表达的桉属MADS-box基因。
Plant Physiol. 1998 Oct;118(2):365-72. doi: 10.1104/pp.118.2.365.
6
Tomato flower abnormalities induced by low temperatures are associated with changes of expression of MADS-Box genes.低温诱导的番茄花异常与MADS-Box基因表达的变化有关。
Plant Physiol. 1998 May;117(1):91-100. doi: 10.1104/pp.117.1.91.
7
Family of MADS-Box genes expressed early in male and female reproductive structures of monterey pine.在辐射松的雄性和雌性生殖结构中早期表达的MADS盒基因家族。
Plant Physiol. 1998 May;117(1):55-62. doi: 10.1104/pp.117.1.55.
8
The FRUITFULL MADS-box gene mediates cell differentiation during Arabidopsis fruit development.FRUITFULL MADS盒基因在拟南芥果实发育过程中介导细胞分化。
Development. 1998 Apr;125(8):1509-17. doi: 10.1242/dev.125.8.1509.
9
Multiple AGAMOUS homologs from cucumber and petunia differ in their ability to induce reproductive organ fate.来自黄瓜和矮牵牛的多个AGAMOUS同源基因在诱导生殖器官命运的能力上存在差异。
Plant Cell. 1998 Feb;10(2):171-82. doi: 10.1105/tpc.10.2.171.
10
Eucalyptus has functional equivalents of the Arabidopsis AP1 gene.桉树具有与拟南芥AP1基因功能等同的基因。
Plant Mol Biol. 1997 Nov;35(5):573-84. doi: 10.1023/a:1005885808652.

苹果中SQUAMOSA基因亚家族成员MdMADS2的特性分析

Characterization of MdMADS2, a member of the SQUAMOSA subfamily of genes, in apple.

作者信息

Sung S K, Yu G H, An G

机构信息

Department of Life Science, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea.

出版信息

Plant Physiol. 1999 Aug;120(4):969-78. doi: 10.1104/pp.120.4.969.

DOI:10.1104/pp.120.4.969
PMID:10444080
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC59356/
Abstract

A MADS-box gene, MdMADS2, was isolated from the apple (Malus x domestica Borkh.) var Fuji and its developmental expression pattern was studied during flower development. MdMADS2 shares a high degree of amino acid sequence identity with the SQUAMOSA subfamily of genes. RNA blot analysis showed that MdMADS2 is transcribed through all stages of flower development, and its transcription was seen in the four floral organs. RNA in situ hybridization revealed that the MdMADS2 mRNA is expressed both in the inflorescence meristem and in the floral meristem. The MdMADS2 transcript was detected at all stages of flower development. Protein localization analysis showed that MdMADS2 protein was excluded from the stamen and carpel primordia, in which a considerable MdMADS2 mRNA signal was detected. This indicates that posttanscriptional regulation may be involved in the MdMADS2-mediated control of flower development. Transgenic tobacco expressing the MdMADS2 gene from the cauliflower mosaic virus 35S promoter showed early flowering and shorter bolts, but did not show any homeotic changes in the floral organs. These results suggest that MdMADS2 plays an important role during early stages of flower development.

摘要

从苹果（Malus x domestica Borkh.）品种富士中分离出一个MADS-box基因MdMADS2，并对其在花发育过程中的表达模式进行了研究。MdMADS2与SQUAMOSA基因亚家族具有高度的氨基酸序列同一性。RNA印迹分析表明，MdMADS2在花发育的各个阶段均有转录，且在四种花器官中均能检测到其转录。RNA原位杂交显示，MdMADS2 mRNA在花序分生组织和花分生组织中均有表达。在花发育的各个阶段均检测到MdMADS2转录本。蛋白质定位分析表明，MdMADS2蛋白在雄蕊和心皮原基中被排除，而在这些部位检测到了大量的MdMADS2 mRNA信号。这表明转录后调控可能参与了MdMADS2介导的花发育调控。从花椰菜花叶病毒35S启动子表达MdMADS2基因的转基因烟草表现出早花和较短的茎，但花器官未出现任何同源异型变化。这些结果表明，MdMADS2在花发育的早期阶段起着重要作用。