动作谜
发表于 2025-3-25 14:21:10
https://doi.org/10.1007/978-3-0348-6112-0 which presently exist can be divided into two categories: 1) vectors which integrate within the host genome and 2) vectors which can be established as independent replicons in plant cells. The first category includes the T-DNA from . and the T-DNA from .. The second class of vectors comprises the c
ventilate
发表于 2025-3-25 18:36:55
Ich sehe was, was du nicht siehst ...,hese processes are associated with the incorporation of bacterial plasmid DNA (T-DNA), into the genome of the host plant. Much effort is underway to utilize these processes to incorporate useful genes into plants by using the bacterial plasmid as a transformation vector. In order for the processes t
毕业典礼
发表于 2025-3-25 20:54:59
G. Rutishauser,M. J. Mihatsch,M. Ristng genetic engineering. A fragment of about 20 kb (called the T-region) of a 120 kb plasmid (called Ti plasmid for tumor-inducing plasmid) is transferred to the plant cell where it becomes covalently linked to the nuclear DNA (1–7). This integrated DNA has been named the T-DNA. Crown Gall cells have
dithiolethione
发表于 2025-3-26 02:56:35
Epidemiologie und Kausalfaktoren,ticipant, I have enjoyed observing the original and often virtuostic exploits of the competitors. My own interest, in the meantime, has been to study with a minimum of manipulation, a natural parasexual genetic system, which I believe constitutes a precedent for the use of genetic engineering to int
Evolve
发表于 2025-3-26 05:10:26
Teil II: Radikale Neuformulierung,n healthy individuals of the same species, but, after introduction into such individuals, they are replicated autonomously and cause the appearance of the characteristic disease syndrome (Diener, 1979a). Unlike viral nucleic acids, viroids are not encapsidated.
串通
发表于 2025-3-26 11:44:25
Physiologische Bedeutung des Harzes,nilamellar vesicles prepared with the Ca. -EDTA chelation technique (LUV) have been used for delivering infective poliovirus particles(1) and RNA(2) into permissive (HeLa) and non permissive (CHO,L) cells. More recently Fraley et al.(3) have reported the encapsulation of simian virus 40(SV40) DNA in
确定
发表于 2025-3-26 13:08:13
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使纠缠
发表于 2025-3-26 18:37:59
http://reply.papertrans.cn/39/3826/382515/382515_30.png
Anal-Canal
发表于 2025-3-26 21:18:03
Gene Organization and Regulation in ,. Evidence from the Cloning and Transformation of the , Gene Cg for .. complementation in . (Schweizer et al., 1981). In ., only the .. gene is expressed. The .. , .. and .. genes were detected on the basis of transformation back into Neurospora with these cosmid clones.
grenade
发表于 2025-3-27 01:34:23
,The Dominant Selective Marker APH 3′ and the Study of the Expression of the Cotransfected Gene,ransfection has been the discovery, by Perucho et al. (1980) that when two genes are transfected together into a cell, they are integrated via a “pekalasome” at the same locus on a chromosome. This allows, with the help of a selective medium, the survival of cells which often coexpress the marker ge