marker n. 1.作記號的人;打分?jǐn)?shù)的人;記分器;劃線器;指示器;【無線電】指點標(biāo);(撞球等的)記分員。 2.【軍事】標(biāo)靶兵;標(biāo)兵;標(biāo)竿;旗標(biāo);書簽;〔美國〕紀(jì)念標(biāo),紀(jì)念碑;里程碑。 3.(校中專職)點名先生;經(jīng)常給學(xué)生記分?jǐn)?shù)的先生;監(jiān)獵人。 4.【英軍】(轟炸用)照明彈。 5.〔美國〕遺傳標(biāo)記,基因標(biāo)記。 a marker light 標(biāo)燈。 a ground marker地面照明彈。 not a marker to [on] 〔美國〕不能和…相比,遠(yuǎn)遠(yuǎn)配不上。
( 3 ) the interest gene in p3301rip is under the control of double 35s promoter and the selectable marker gene is bar gene ( 3 )表達(dá)載體p3301rip中目的基因由雙35s啟動子調(diào)控,選擇標(biāo)記基因為bar基因。
Two techniques , segregation excision and recombination excision , for removal of selectable marker genes are discribed in this article 培育無標(biāo)記基因的轉(zhuǎn)基因植株已成為植物生物工程研究中的新課題。
( 2 ) the interest gene in pcar is under the control of acti which is the strong promoter in rice . the selectable marker gene is hyg gene ( 2 )表達(dá)載體pcar中目的基因由單子葉強(qiáng)啟動子水稻act1啟動子調(diào)控,選擇標(biāo)記基因為潮霉素抗性基因。
Currently used plant transformation systems require selectable marker genes encoding antibiotic or herbicide resistance , along with the gene of interest , to select transformed cells from a large population of mostly untransformed cells 摘要在目前的植物轉(zhuǎn)化系統(tǒng)中,要求在關(guān)注基因或目的基因轉(zhuǎn)入細(xì)胞時,同時有標(biāo)記基因存在。