防锈 发表于 2025-3-30 10:47:55
Regeneration of Plants from Crown Gall Cells A step in the T-DNA mediated genetic engineering of plng 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 haveWAX 发表于 2025-3-30 13:41:05
The Potential uses of , in the Genetic Engineering of Higher Plants: Nature Got There First,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狂热语言 发表于 2025-3-30 19:00:21
Viroids and Genetic Engineering,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.扩大 发表于 2025-3-30 20:58:06
Liposomes as a Tool for Introducing Biologically Active Viral Nucleic Acids into Plant Protoplasts,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冷峻 发表于 2025-3-31 04:18:03
http://reply.papertrans.cn/39/3826/382515/382515_55.png商店街 发表于 2025-3-31 09:02:00
Construction of Cloning Vectors from the ,W Plasmid pSa and their use in Analysis of Crown Gall Tumbe used for cloning large DNA fragments. The vectors, which can be selected on the basis of kanamycin, spectinomycin, or chloramphenicol resistance, contain cloning sites for seven different restriction endonucleases. DNA fragments from the .. . plasmid TiC58 have been cloned into these vectors, and used to complement avirulent TiC58::Tn5 mutants.打谷工具 发表于 2025-3-31 12:46:48
Construction of Recombinant Ti Plasmids Containing the ,M Gene from ,. ,,s 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 caulimovirus and germinivirus genomes, as well as cDNA copies of viroids. The pros and cons of each of those vectors have been recently reviewed by Howell..transdermal 发表于 2025-3-31 17:25:18
http://reply.papertrans.cn/39/3826/382515/382515_58.pngFeature 发表于 2025-3-31 20:32:23
The Potential uses of , in the Genetic Engineering of Higher Plants: Nature Got There First,with a minimum of manipulation, a natural parasexual genetic system, which I believe constitutes a precedent for the use of genetic engineering to introduce novel and potentially useful morphogenetic and physiological characters into plants.有组织 发表于 2025-3-31 21:46:36
Liposomes as a Tool for Introducing Biologically Active Viral Nucleic Acids into Plant Protoplasts,nto 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 large unilamellar vesicles prepared with the reverse-phase evaporation technique (4) and its delivery in an infectious form to monkey cells in culture.