盾片

水稻脂解酶主要位于胚芽及盾片部分，它含有数种性质不同的同功酶；

The results showed that the lipase of rice distribute in the plumule and the scutum , not in the endosperm , It consists of several kinds of isoenzyme .

通过对292只1龄绿海龟活体和114只当年龟标本观察，发现60只龟背甲盾片有变异现象。

Sixty individuals with carapace scute variation have been observed among 292 one-year age and 114 hatchlings of green sea-turtles .

盾片和胚芽鞘在授粉后3d的幼胚上同时出现，两者均直接由原胚分化，并非胚芽鞘从盾片发生。

In the young embryo at 3 DAP the scutellum and coleoptile appeared simultaneously directly from the proembryo . The coleoptile did not originate from the scutellum .

对40个小麦、4个黑麦和2个小黑麦品种及品系的胚和盾片进行同工酶电泳分析，发现抗病和感病材料的过氧化物酶酶谱的主要差异在酶谱中部（B区）。

Peroxidase isozymes electrophoretic analyses on embryos plus scutella from forty wheat varieties , four ryes and two triticales revealed differences in the middle of the zymograms ( B range ) of resistant and susceptible varieties .

结果表明：NMB培养基适合水稻成熟胚盾片愈伤组织诱导，MS培养基适合愈伤分化；

The results showed as following : NMB was suitable for the callus induction , and MS for differentiation .

高浓度的脱落酸（ABA）能有效地抑制胚芽和胚根的生长，而对水稻盾片愈伤组织的生长影响较小，从而促进盾片愈伤组织的同步健壮生长。

Since the reaction of ABA on scutellum is not sensitive and higher level of ABA can inhibit the plumule and radicle , so that it promotes the scutellum callus growth .

开花后17d，在盾片及糊粉层细胞中检测到油脂。

Lapid accumulation was detected in both scutellum cells and aleurone cells by day 17 after anthesis .

未成熟籽粒在4℃冰箱保湿保存3d内可陆续接种，幼胚愈伤组织诱导率在95%以上，胚性愈伤组织发生率达到34%~50%，接种时应使盾片向上并保持完整状态。

Young seeds were preserved at 4 ℃ refrigerator with plastic film and inoculated within three days for alleviating the induction tension . The frequency of callus induction of immature embryos was above 95 percent . The frequency of embryonic induction was from 34 percent to 50 percent .

在演化过程中，某些种类，例如居中恙螨Trombiculaintermedia的盾片后侧毛和背毛逐步改变成扁平而窄的柳叶状，两侧锯齿较长。

During the process of differentiation , certain species , like Trombicula intermedia , with its scutal postero-lateral setae and dorsal setae gradually modified into narrow flat willow leaf-like setae with their long lateral serrated teeth .

以粳稻H129为材料，对稻米的脂解酶进行了研究。水稻脂解酶主要位于胚芽及盾片部分，它含有数种性质不同的同功酶；

The rice lipase in japonica variety H 129 was studied .

成熟盾片顶端的淀粉消失。

Starch disappeared in the upper part of the mature scutellum .

脑电图检查出现异常波型。畸形胚形态多样，其中多数盾片异常。以各种诱发电位的潜伏期、波幅及波形为观察指标。

The wave shape , latency and amplitude were examined .

玉米种苗转化过程中盾片的超微结构观察

Ultrastructure of Maize Scutellum during Seed - seedling Transformation

胚龄对小麦盾片组织培养的影响

The Effect of Age of Immature Embryo Scutella on Wheat Immature Embryo Culture

用电穿孔法将外源基因高效导入水稻胚盾片细胞

Highly transient expression of GUS gene in scutellum cells of rice embryos by electroporation

盾片由3对毛基粒彼此紧靠而成“Y”字形排布。

Scutica consisting of3 pairs of kinetosomes , arranged in " Y " - shape .

本文以水稻成熟种子为材料，研究了影响其盾片诱导、愈伤组织诱导及其分化的主要因素，建立了籼稻愈伤组织及其再生体系。

This article studied the main factors of influencing the induction of rice scutella and calli .

养分向胚的物质运输，主要是通过与胚的盾片邻接的胚乳组织进行的。

During the development of embryo , endosperm tissue adjacent to scutellum provided nutrients to it .

小盾片无刺。

The scutellum is without spine .

水稻成熟胚盾片诱导愈伤组织再生体系的建立

Establishment of A Rice Transformation System by Regeneration of Embryonic Callus Induced from Mature Embryo Scutum

盾片发育后期，淀粉粒逐渐减少，蛋白质体增多。

The number of protein body was increasing with reducing of starch grains in scutellar development late stage .

低温冻害破坏了玉米种子盾片细胞的正常结构。

The normal cellular structure of scutellum in maize seed was destroyed after the treatment of freezing injury .

利用PDS1000/氦气基因枪将水稻几丁质酶基因导入小麦幼胚盾片愈伤组织。

Rice chitinase gene was transferred into immature embryogenic calli of wheat using PDS1000 / He particle delivery system .

在一个单子叶植物中，同样的作用由盾片来承担，如在一个谷粒中。

In a monocotyledonous plant , the same role is played by the scutellum , as in a cereal grain .

采用水稻成熟胚的盾片诱导愈伤组织，通过优化培养基组合和调节培养时间，建立了适合水稻遗传转化的胚性愈伤体系，为水稻建立高效的转化体系提供了技术依据。

The efficient embryonic callus system was established by improving culture media and time with callus induced from rice mature embryo scutum .

玉米的花药、花粉，幼穗，盾片、颈片、胚乳以及玉米的原生质体经离体培养均可再生植株。

Anthers , pollens , young panicles , blastodiscs , endosperms , glumes and protoplasts of corn could all regenerate into plants through culturing in vitro .

以高粱纯系401－1为材料，通过幼胚培养，由小盾片细胞产生的再生植株后代出现株形矮小、叶形窄短的突变体〔1〕。

Miniature mutants appeared in the generations of the regenerated plants were obtained in the scutellum cell of the sorghum pure Line 401-1 through immature embryo culture .

优化了小麦组织培养条件，建立了以小麦幼穗切段、幼胚盾片和成熟胚盾片为外植体的高效稳定再生体系。

The high efficient plant regeneration systems have been established by optimizing tissue culture conditions using inflorescence explants , immature and mature embryo scutella as the target materials .

成熟玉米种子盾片中的主要贮藏物质是蛋白质和脂肪，它们分别贮藏在蛋白体和脂体中，没有发现含有淀粉粒的质体。

The main store in mature seed scutellum was protein and lipid , which were specially stored in protein body and lipid body , and there was no plastid with starch in cells .

在梨形胚到盾片形成期这一发育阶段，靠近胎座处的1～2层细胞呈狭长形或多边形，细胞质浓厚、细胞核小；

During the period from the pear shaped embryo to the formation of scutellum , some slim cells with thick cytoplasm and small nucleus near the 1st and 2nd layers placenta and some particular big endosperm cells could be seen .