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Author: Thomas Hohn
Publisher: Springer Science & Business Media
ISBN: 3709169771
Category : Science
Languages : en
Pages : 355
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Book Description
There has been recent rapid progress in the transformation of plants with foreign DNA, making use either of the natural routes of genetic invasion that viruses and bacteria have developed, or of chemical, mechanical and electrical tricks to make plant protoplast membranes permeable to nucleic acids. Genes integrated into plant virus genomes can be carried systemi cally from the initial site of infection into the rest of the plant. Genes placed between the borders of Agrobacterium tumefaciens T-DNA can be transferred into single cells or plant tissue, which then divides to produce wound calli, or as in the case of an Agrobacterium rhizogenes infection, grow out into new roots. Calli and roots can be grown into whole plants. If virus genomes are placed between the T-DNA borders, a very effective infectious route, termed "agroinfection", is established. Once inside a pro toplast, DNA finds its way into the nucleus where it can finally integrate into the resident chromosome and be expressed. Whether it can also find its way into chloroplasts is not yet clear, but at least translation products can be targeted into this organelle. Regeneration of whole organisms from single cells is a special feature of plants and offers a unique tool to study genes in a multicellular organism. In addition, as in animal cells, transcription and translation of trans forming genes can be studied in plant cells during "transient expression".
Author: Thomas Hohn
Publisher: Springer Science & Business Media
ISBN: 3709169771
Category : Science
Languages : en
Pages : 355
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Book Description
There has been recent rapid progress in the transformation of plants with foreign DNA, making use either of the natural routes of genetic invasion that viruses and bacteria have developed, or of chemical, mechanical and electrical tricks to make plant protoplast membranes permeable to nucleic acids. Genes integrated into plant virus genomes can be carried systemi cally from the initial site of infection into the rest of the plant. Genes placed between the borders of Agrobacterium tumefaciens T-DNA can be transferred into single cells or plant tissue, which then divides to produce wound calli, or as in the case of an Agrobacterium rhizogenes infection, grow out into new roots. Calli and roots can be grown into whole plants. If virus genomes are placed between the T-DNA borders, a very effective infectious route, termed "agroinfection", is established. Once inside a pro toplast, DNA finds its way into the nucleus where it can finally integrate into the resident chromosome and be expressed. Whether it can also find its way into chloroplasts is not yet clear, but at least translation products can be targeted into this organelle. Regeneration of whole organisms from single cells is a special feature of plants and offers a unique tool to study genes in a multicellular organism. In addition, as in animal cells, transcription and translation of trans forming genes can be studied in plant cells during "transient expression".
Author: Jeff Schell
Publisher:
ISBN: 9780127150062
Category : Science
Languages : en
Pages : 528
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Book Description
V. 1. Laboratory procedures and their applications.--v. 2. Cell growth, nutrition, cytodifferentiation, and cryopreservation.--v. 3. Plant regeneration and genetic variability.--v. 4. Cell culture in phytochemistry.--v. 5. Phytoche micals in plant cell cultures.--v. 6. Molecular biology of plant nuclear genes. --v. 7A. The molecular biology of plastids.--v. 7B. The photosynthetic apparatus: molecular biology and operation.--v. 8. Scale-up and automation in plant propagation.
Author: Abhijeet Ghatak
Publisher: CRC Press
ISBN: 177188407X
Category : Science
Languages : en
Pages : 476
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Book Description
So often new phytopathogens emerge and appear primarily in acute form and then take a chronic form; such populations, however, in general have a limited appearance because of the lack of suitable environmental conditions. The emergence of new pathogens needs to be explored in the light of their evolutionary adaptation. This new volume focuses on the study of quantitative aspects of host-phytopathogen linkages that result in the emergence of aggressive phytopathogens. The book examines the evolution and adaptation of phytopathogens from several cropping systems.
Author: Pierre Capy
Publisher: International Thomson Publishing Services
ISBN:
Category : Science
Languages : en
Pages : 216
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Book Description
This text deals with the evolution of transposable elements (TE). Two main aspects are presented. First, after a description of the main types of elements, their life and death within a species, including regulation of transposition, and their distribution in natural populations and on chromosomes are discussed. Then, the impact of TEs on the host genomes, the putative relationship between environment and transposition rates lead to a discussion of the interaction (or coevolution) between TEs and their host. Second, these results introduce the analysis of the phylogenies of TEs and their interpretations, according to different models i.e. horizontal versus vertical transmission. Finally, the questions of the origin and of the general evolution of TEs is raised from the comparison of conserved regions like reverse transcriptase or transposase-integrase domains.
Author:
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1352
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Book Description
Author:
Publisher:
ISBN:
Category : Reproduction
Languages : en
Pages : 992
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Book Description
Author:
Publisher:
ISBN:
Category : Ecology
Languages : en
Pages : 588
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Book Description
Author: Doreen Virtue
Publisher: Hay House
ISBN: 9781401905415
Category : Body, Mind & Spirit
Languages : en
Pages : 51
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Book Description
When you really need answers to your pressing life questions, the Angel Guidance Board gives you quick and clear guidance about your career, love life, family, health, finances, and other important areas. Doreen Virtue has used oracle boards (such as Ouija and scrying boards) since childhood, and has always found them to be complicated and time-consuming. So, she designed this board to be extremely simple, quick, and easy to use. Includes: • A folding board • One pair of crystal dice • Four angel markers to give you guidance and answers • An instruction booklet
Author: Tatsuya Hamazaki
Publisher: TokyoPop
ISBN: 9781595328694
Category : Comics & Graphic Novels
Languages : en
Pages : 244
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Book Description
A collection of five short stories about various characters from AI Buster and.
Author: Robert Venditti
Publisher: DC Comics
ISBN: 1779518900
Category : Comics & Graphic Novels
Languages : en
Pages : 160
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Book Description
Fly into director Richard Donner’s Superman once more in Superman ’78! Written by Robert Venditti (Superman: Man of Tomorrow) and drawn by Wilfredo Torres (Batman ’66), Superman ’78 tells a brand-new adventure in the world of the beloved film. A bright, shining day in Metropolis is interrupted by a mysterious drone that crash-lands in the city and starts wreaking havoc. This looks like a job for Superman! But where did the metallic menace come from, what is its purpose, and who is Brainiac? As Metropolis is invaded by this being and its mechanical drones, Superman must make a life-changing sacrifice and leave Earth once and for all. But once aboard Brainiac’s ship, the Man of Steel finds he might not be the last son of Krypton as he believed. This volume collects issues #1-6 of the hit miniseries Superman ’78!
