pollen tube

US 
UK 
  • n.花粉管
  • Web花粉管法；原叶细胞

Advanced E-C

E-C

E-E

Web Definition

pollen tube
n.
1.
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)

Sample Sentence

Definition:
AllAll,花粉管花粉管,花粉管法花粉管法,原叶细胞原叶细胞
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
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。
zhōng guó xué zhě chuàng lì huā fěn guǎn tōng dào fǎ zhuǎn jī yīn jì shù yǐ lái , zài duō zhǒng nóng zuò wù fēn zǐ yù zhǒng zhōng dé dào yìng yòng 。
www.magsci.net
2.
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。
běn yán jiū tōng guò huā fěn guǎn tōng dào dǎo rù jì shù jiāng tián gāo liáng zǒng DNA dǎo rù yōu liáng yù mǐ zì jiāo xì sì qiān yī bǎi yī shí èr hé bā qiān jiǔ bǎi líng èr zhōng , bìng yìng yòng RAPD biāo jì jì shù cóng dǎo rù hòu dài zhōng shāi xuǎn chū biàn yì hòu dài 。
www.ceps.com.tw
3.
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。
huā fěn guǎn kě néng yán zhe huā zhù dào xiàng xià shēng zhǎng , yě kě néng fēn mì xiāo huà méi fēn jiě huā zhù zǔ zhī , wèi huā fěn guǎn chuàng zào yī gè tōng dào 。
plb.snnu.edu.cn
4.
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。
zài pèi zǐ tǐ shí bié xì tǒng zhōng , huā fěn guǎn dǐng duān de hé táng tǐ RNA kě néng bèi huā zhù nèi de zhè zhǒng dàn bái zhì shí bié ér shǐ zhī shī huó 。
jxzy.lynu.edu.cn
5.
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。
zài pèi zǐ tǐ xiāng hù zuò yòng zhōng , huā fěn méng fā hòu , tōng cháng cí zhū zài huā zhù zhōng shí bié shēng zhǎng de huā fěn guǎn 。
jxzy.lynu.edu.cn
6.
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。
cǐ wài , huā fěn guǎn de yán shēn , yě xū yào náng pào jiāng xì bāo bì de zǔ chéng fēn zǐ chuán sòng dào shēng zhǎng jiān duān 。
ir.lib.ncu.edu.tw
7.
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。
zhǐ yǒu dāng huā fěn yǔ zhù tóu zǔ zhī xiāng yí zhì shí , huā fěn lì cái huì méng fā , chǎn shēng huā fěn guǎn 。
plb.snnu.edu.cn
8.
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。
biǎo míng gōng tǐ DNA piàn duàn yǐ tōng guò huā fěn guǎn tōng dào jìn rù shòu tǐ , bìng duì shòu tǐ jī yīn de biǎo dá chǎn shēng yǐng xiǎng 。
www.ceps.com.tw
9.
Generative cell One of the haploid cells in the POLLEN TUBE of seed plants.
是位于种子植物花粉管中的一个单倍体细胞。
shì wèi yú zhǒng zi zhí wù huā fěn guǎn zhōng de yī gè dān bèi tǐ xì bāo 。
plb.snnu.edu.cn
10.
minute opening in the wall of an ovule through which the pollen tube enters.
卵子表面上使花粉管穿入的小口。
luǎn zǐ biǎo miàn shàng shǐ huā fěn guǎn chuān rù de xiǎo kǒu 。
ezitong.com
Bing Dictionary App
Without any ads
Go to website
Download mobile dict apps
iOS
Windows Phone
Android
Download PC apps
Win32 VersionMicrosoft Store