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影响墨西哥紫萁和紫萁孢子萌发和早期配子体发育的因素。

Factors Influencing Spore Germination and Early Gametophyte Development in Anemia mexicana and Anemia phyllitidis.

机构信息

Department of Botany, Iowa State University, Ames, Iowa 50011.

出版信息

Plant Physiol. 1986 Sep;82(1):230-5. doi: 10.1104/pp.82.1.230.

DOI:10.1104/pp.82.1.230
PMID:16664998
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1056095/
Abstract

Spores of Anemia mexicana Klotzsch and Anemia phyllitidis (L.) Swartz were tested comparatively to investigate the effects of various treatments on spore germination and early gametophyte development in light and darkness. The optimum pH for induction of spore germination is approximately 6. Both species have a minimum 8 hour light insensitive preinduction phase for spore germination. An additional 8 to 12 hours of light are needed to induce 50% germination in A. phyllitidis while at least 24 hours of light are needed for A. mexicana spores. A. phyllitidis has greater sensitivity to the four gibberellic acids tested (GA(3), GA(4), GA(7), and GA(13)) than A. mexicana for induction of spore germination in darkness. In both species the greatest response was observed with GA(4) and GA(7). GA(13) was clearly the least effective. Gametophytes of each species are 100 times more sensitive to their own antheridiogen than to the antheridiogen of the other species. AMO-1618 (1 millimolar), fenarimol (1 mm), and ancymidol (0.1 mm) had essentially no effect on light-induced germination. The latter two did, however, inhibit gametophyte development.

摘要

对贫血墨西哥变种（Klotzsch）和贫血蕨变种（L.）的孢子进行了比较测试，以研究各种处理对光照和黑暗条件下孢子萌发和早期配子体发育的影响。诱导孢子萌发的最佳 pH 值约为 6。两种物种的孢子萌发都有一个最少 8 小时的非光照诱导前期。要诱导贫血蕨变种 50%的孢子萌发，还需要额外的 8 到 12 小时的光照，而贫血墨西哥变种的孢子则至少需要 24 小时的光照。在黑暗中诱导孢子萌发时，贫血蕨变种对四种赤霉素（GA(3)、GA(4)、GA(7)和 GA(13)）的敏感性大于贫血墨西哥变种。在这两个物种中，GA(4)和 GA(7)的反应最大。GA(13)显然效果最差。每个物种的配子体对自身雄配子体发生素的敏感性比其他物种的雄配子体发生素高 100 倍。AMO-1618（1 毫摩尔）、fenarimol（1 毫米）和 ancymidol（0.1 毫米）对光照诱导的萌发几乎没有影响。后两者确实抑制了配子体的发育。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3841/1056095/b8d6167869bc/plntphys00605-0239-f.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3841/1056095/0ebd72d20b03/plntphys00605-0239-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3841/1056095/f9472f4103da/plntphys00605-0239-b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3841/1056095/79a1ccd783e1/plntphys00605-0239-c.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3841/1056095/788324259a29/plntphys00605-0239-d.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3841/1056095/31c990b9868f/plntphys00605-0239-e.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3841/1056095/b8d6167869bc/plntphys00605-0239-f.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3841/1056095/0ebd72d20b03/plntphys00605-0239-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3841/1056095/f9472f4103da/plntphys00605-0239-b.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3841/1056095/79a1ccd783e1/plntphys00605-0239-c.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3841/1056095/788324259a29/plntphys00605-0239-d.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3841/1056095/31c990b9868f/plntphys00605-0239-e.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3841/1056095/b8d6167869bc/plntphys00605-0239-f.jpg

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本文引用的文献

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Gibberellins: Their Effect on Antheridium Formation in Fern Gametophytes.赤霉素：它们对蕨类植物原叶体形成雄配子体的影响。
Science. 1964 Jan 24;143(3604):373-5. doi: 10.1126/science.143.3604.373.
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Comparative Effects of Substituted Pyrimidines on Growth and Gibberellin Biosynthesis in Gibberella fujikuroi.取代嘧啶对藤仓赤霉菌生长和赤霉素生物合成的比较影响。
Plant Physiol. 1982 Mar;69(3):712-6. doi: 10.1104/pp.69.3.712.
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Photocontrol of the germination of onoclea spores: v. Analysis of germination processes by means of temperature.
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Specificity of the Antheridogen from Ceratopteris thalictroides (L.) Brongn.角苔属（Ceratopteris thalictroides（L.）Brongn.）雄原基的特异性
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Inhibition of Gibberellic Acid-induced Elongation in Avena Stem Segments by a Substituted Pyrimidine.一种取代嘧啶对赤霉素诱导的燕麦茎段伸长的抑制作用
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