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The aberrant phenotypes were observed in the anther of tobaccotransformed with ZM401 sense construct: the inflorescence growth and floral axiselongation are suppressed; the flower buds falling or flowers abscission earlier wereobserved. The degradation of tapetum are not observed at the binucleate pollen stagewhich corresponds to the mature stage, although the tapetal cells of untransformedtobacco anther at the same stage have already degenerated completely anddisappeared.

对转基因烟草进行形态学、组织学分析结果表明,ZM401基因以反向方式整合的转基因烟草表现一切正常,而含有ZM401正义基因的转基因烟草在表型和组织学上都出现了异常:花序生长缓慢,花序轴变短,生长过程中花逐渐脱落,花序轴褐化枯死;花药绒毡层退化延迟,药室内壁在雄配子体发育后期不能进行带状加厚,阻碍了花粉粒的释放。

Stamens 2; filaments usually basally villous, rarely glabrous, adnate to upper part of corolla tube; anther locules connivent, not confluent.

雄蕊2;基部通常的花丝具长柔毛,很少无毛,花冠筒的贴生于上半部分;药室靠合,不汇合。

Stamens 4, didynamous, inserted on corolla tube; anther locules divergent, apically connivent.

上唇2裂。雄蕊4,二强雄蕊,着生于花冠筒;药室分叉,顶部靠合。

Stamens 4, didynamous, inserted above middle of corolla tube, glabrous, included; anther locules distinct, divergent.

雄蕊4,花冠筒,无毛的二强雄蕊,着生的在中部以上,包括;药室离生,分叉。

Stamens 4, didynamous, included; anther locules separate, short stipitate.

雄蕊4,二强雄蕊,包括;药室分开,。

Stamens 4, somewhat didynamous, included to exserted, adnate to corolla tube; anther locules confluent; staminode 1, small. Disc present.

雄蕊4,有点二强雄蕊,包括随着,贴生于花冠筒;药室汇合;退化雄蕊1,小。

Stamens 6, often adnate basally to tepals, sometimes free, always free from ovary, usually exserted, rarely included; anthers lanceolate, dorsifixed, extrorse to latrorse, sometimes with locules confluent at apex.

雄蕊6,通常基部贴生于花被片,有时离生,总是与子房离生,通常外露,很少内藏;花药披针形,背着,外向到侧向纵裂,有时先端药室愈合。

Stamens 6, all fertile, equal; filaments lanate, rarely glabrous; anther locules longitudinally dehiscent.

雄蕊6,全部能育,等长;具绵状毛的花丝,很少无毛;药室纵向开裂。

The results showed: four devices flower pollen sacs, anther wall conforms to the basic, from epidermis, the indoor wall, middle (2-3 layers) and tapetal composition tapetum to glandular type.

对悬铃木小孢子发生及雄配子体发育过程进行了观察,结果表明:花药具4个花粉囊,花药壁发育为基本型,由表皮、药室内壁、中层(2-3层)和绒毡层组成,绒毡层为腺质型。

The anther was tetrasporangiate, originated from the stamen primordium. The anther wall was composed of epidermis, fibrous endothelium, middle layer (2~3 layers) and tapetum (1~2 layers).

观光木的花药由花药原基发育而来,具4个小孢子囊,花药壁由表皮、药室内壁、2~3层中层和1~2层绒毡层组成。

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