单词pollen tube
un.: 花粉管
网络: 花粉管法；原叶细胞
花粉管:
a tube that grows when pollen lands on the stigma(= a part of the female organ) of a flower to carry the male cell to the ovule(= the part that contains the female cell)
花粉管
Since the transgenic technology of pollen tube pathway method was formally established, it has been widely used in crop genetic improvement.
中国学者创立花粉管通道法转基因技术以来，在多种农作物分子育种中得到应用。
The total DNA of sorghum was introduced into maize inbred lines 4112 and 8902 by means of pollen tube pathway technique.
本研究通过花粉管通道导入技术将甜高粱总DNA导入优良玉米自交系4112和8902中，并应用RAPD标记技术从导入后代中筛选出变异后代。
The pollen tube may grow down the stylar canal, or it may secrete enzymes that digest the tissue of style, creating a path for the tube.
花粉管可能沿着花柱道向下生长，也可能分泌消化酶分解花柱组织，为花粉管创造一个通道。
In gametophytic recognition, ribosomal RNA at the tip of the pollen tube is probably recognized by this protein in the style and disabled.
在配子体识别系统中，花粉管顶端的核糖体RNA可能被花柱内的这种蛋白质识别而使之失活。
In a gametophytic interaction, the pollen germinates and the growing pollen tube is recognized by the female plant, normally in the style.
在配子体相互作用中，花粉萌发后，通常雌株在花柱中识别生长的花粉管。
Enhanced vesicle trafficking is also essential for pollen tube elongation as many molecules must be translocated to the growing tip.
此外，花粉管的延伸，也需要囊泡将细胞壁的组成分子传送到生长尖端。
In gametophytic SI, glycoproteins with ribonuclease activity are produced by the S gene, perhaps disabling RNA at the pollen tube tip.
在配子体SI中，S基因合成具有RNA酶活性的糖蛋白，可能是该糖蛋白使花粉管的顶端的RNA失活。
These results provided some references for the application of pollen-tube pathway transformation technology in melon.
本研究结果为花粉管通道法转基因技术在甜瓜上的应用提供了参考依据。
Germination of the pollen grain to give the pollen tube usually takes place only when the pollen is compatible with the stigma tissue.
只有当花粉与柱头组织相一致时，花粉粒才会萌发，产生花粉管。
This indicated that, donor DNA fragment had inserted into receptor through pollen tube, and affected the expression of genes in receptors.
表明供体DNA片段已通过花粉管通道进入受体，并对受体基因的表达产生影响。