作者: 我說(shuō)不重要 時(shí)間: 2025-3-21 20:57 作者: 官僚統(tǒng)治 時(shí)間: 2025-3-22 04:20
Systematic Search for Recombination Events in plant Viruses and Viroids, between transgene-derived sequences and an incoming, more or less related virus. With no precise information currently available on the rate of appearance and potential fitness of such recombinants, the hypothesis that all viable possible recombinants have already been produced and selected in natu作者: Expressly 時(shí)間: 2025-3-22 07:10 作者: 親愛 時(shí)間: 2025-3-22 09:58
Studies on RNA Recombination , and ,,ed with TCV genomic RNA and its associated sat-RNA D accumulate recombinant molecules containing sat-RNA D at the 5′ end and TCV sequence at the 3′ end. We have previously identified a hot-spot for RNA recombination at the base of a stable hairpin in the 3′ untranslated region of the TCV genomic RNA作者: 浮雕寶石 時(shí)間: 2025-3-22 15:27
Significance of RNA Recombination in Capsid Protein-Mediated Virus-Resistant Transgenic Plants, the transgenic genes to related species through normal outcrossing. One concern unique to virus-resistant transgenic plants is that all or a portion of the viral gene may be incorporated by RNA recombination into a different plant virus that may infect the transgenic plant. RNA recombination is a f作者: 詩(shī)集 時(shí)間: 2025-3-22 19:44 作者: cinder 時(shí)間: 2025-3-22 23:10
Behavior of Cucumovirus Pseudorecombinant and Recombinant Strains in Solanaceous Hosts,V and tomato aspermy virus (P-TAV), and their biological properties have been assessed on certain solanaceous hosts. Results involving the two CMV strains suggest that the different hosts fall into two main groups. The first corresponds to hosts for which the nature or the gravity of the symptoms is作者: 意外的成功 時(shí)間: 2025-3-23 04:51
Recombination Between Cauliflower Mosaic Virus and Transgenic Plants that Contain CaMV Transgenes :es systemic infection of solanaceous species. The transgenic . expressed gene VI of CaMV strain D4, a gene known to determine systemic infection in solanaceous species including .. Recombinants between CaMV and the transgene can be readily isolated under conditions of strong selection pressure, but 作者: glacial 時(shí)間: 2025-3-23 06:28 作者: 忍耐 時(shí)間: 2025-3-23 10:08 作者: Iatrogenic 時(shí)間: 2025-3-23 16:30 作者: Gourmet 時(shí)間: 2025-3-23 19:19
The Potential of a Beneficial Satellite RNA of Cucumber Mosaic Cucumovirus to Acquire Deleterious FatRNA) which can sometimes affect CMV replication, pathogenesis and symptom expression. Variants with attenuating effects (benign satRNAs) have been extensively studied as potential or actual biocontrol agents for the prevention of CMV-induced diseases. This approach has become the basis for experim作者: 水獺 時(shí)間: 2025-3-24 01:08 作者: START 時(shí)間: 2025-3-24 05:38 作者: optional 時(shí)間: 2025-3-24 07:07 作者: Gene408 時(shí)間: 2025-3-24 13:39 作者: 基因組 時(shí)間: 2025-3-24 17:30 作者: 連鎖 時(shí)間: 2025-3-24 23:01
Jozef J. Bujarski has improved dramatically. Advances have included increases in sensitivity, speed of measurement, portability, availability and simplicity of operation. Magnetic susceptibility equipment is now commercially available at reasonable cost largely owing to the technology developed for the amateur metal作者: Calculus 時(shí)間: 2025-3-25 02:46 作者: Sarcoma 時(shí)間: 2025-3-25 04:07 作者: Hearten 時(shí)間: 2025-3-25 07:35
Mireille Jacquemond,Katalin Salánki,Isabelle Carrère,Ervin Balázs,Mark Tepfer and they must be protected by a plantcover. This comprehensive two-volume treatise covers both important aspects of their management: .Environmental . .Management of Solid Waste. turns to the practical applications, such as prediction, restoration and management, while in .Chemistry and Biology of 作者: Aerophagia 時(shí)間: 2025-3-25 15:40
William M. Wintermantel,Loránt Király,June Bourque,James E. Schoelzng signal transduction, gene expression, cellular proliferation (cell cycle) and cell death (necrotic and apoptotic).The redox status of a cell reflects a delicate balance between two opposing factors: antioxidants that are produced by cells (glutathione and thioredoxin) or that are obtained from th作者: 文件夾 時(shí)間: 2025-3-25 18:58 作者: Pudendal-Nerve 時(shí)間: 2025-3-25 20:36
Edgar Maiss,Mark Varrelmann,Chris DiFonzo,Benjamin Raccaheracting with each other and with their immediate surroundings. From the point of view of the microbiologist, it is obvious that microbial activity has a great part to play in the continuing maintenance of conditions suitable for other forms of life on this planet. There has therefore always been an作者: ABASH 時(shí)間: 2025-3-26 01:15
Fernando García-Arenal,José Luis Alonso-Prados,Miguel A. Aranda,José M. Malpica,Aurora Fraile studies have focused on pollution. Initially, these studies concentrated on freshwater species and, indeed, most of the subsequent work has also been done using freshwater species. Ostracodes were used to show the influence of a sewage discharge into a stream in Israel (Rosenfeld and Ortel, 1983). 作者: Lime石灰 時(shí)間: 2025-3-26 06:36 作者: Chemotherapy 時(shí)間: 2025-3-26 10:02 作者: 宣傳 時(shí)間: 2025-3-26 15:03 作者: fiction 時(shí)間: 2025-3-26 16:59
Mark Tepfer,Ervin Balázsstic supply is not sufficient to meet the demand, and Japan is a typical example. In other words, we have a situation where the final demand such as consumption and investment in Japan triggers a series of interindustry transactions within the economy, which then turns to foreign suppliers for raw m作者: 感染 時(shí)間: 2025-3-26 23:56
governments through legislation, the permit processes are administered by elected officials. Environmental legislation is relatively new as an independent field of the law: the laws themselves are primarily a conglomeration of older legal doctrines from other fields of law, modified and adapted for 作者: 易于交談 時(shí)間: 2025-3-27 01:59 作者: Cardioplegia 時(shí)間: 2025-3-27 06:28 作者: Pigeon 時(shí)間: 2025-3-27 12:59 作者: 群居男女 時(shí)間: 2025-3-27 15:08 作者: 心胸狹窄 時(shí)間: 2025-3-27 21:45 作者: Outwit 時(shí)間: 2025-3-28 01:21
Virus Evolution; the Past, a Window on the Future?,ination and the generation of genes .. The major lineages of plant viruses differ in their biochemical and ecological life styles, whereas isolates of single species usually differ only by point mutations and in the virulence of the symptoms they produce. Homologous recombination may be one of the p作者: 孤僻 時(shí)間: 2025-3-28 04:47
Systematic Search for Recombination Events in plant Viruses and Viroids,3′ non-coding regions of all potyviruses for which more than 4 independent sequences were available in the databanks. In the case of potato virus Y (PVY), close to one third of the isolates present in the databanks derived from a recombination event, identifying five different breakpoints scattered 作者: 最有利 時(shí)間: 2025-3-28 08:56 作者: patriarch 時(shí)間: 2025-3-28 12:38
Studies on RNA Recombination , and ,,plus-strand synthesis..Others (Miller et al.) have speculated that the origin of some viruses may have occurred by replicase template-switching at subgenomic RNA promoters, which would also likely occur during plus-strand synthesis. Within a 600 base region that contains both the 1.45 and the 1.7 su作者: crutch 時(shí)間: 2025-3-28 15:10
Significance of RNA Recombination in Capsid Protein-Mediated Virus-Resistant Transgenic Plants,e viral transgene is available for RNA recombination with a challenging virus. In our own work, deletions in the cowpea chlorotic mottle bromovirus (CCMV) capsid gene that limited the systemic spread of the virus were repaired through recombination with a CCMV viral transgene. Three of the seven rec作者: 駁船 時(shí)間: 2025-3-28 20:20 作者: 側(cè)面左右 時(shí)間: 2025-3-29 00:56 作者: 痛苦一生 時(shí)間: 2025-3-29 04:07
Recombination Between Cauliflower Mosaic Virus and Transgenic Plants that Contain CaMV Transgenes :sgenic plants. To simulate conditions of moderate selection pressure, we inoculated transgenic plants with CaMV strain W260, a virus that is able to infect nontransformed . systemically. We hypothesized that a recombinant virus formed between W260 and the transgene would have little or no selective 作者: GOUGE 時(shí)間: 2025-3-29 08:00
Synergy of Virus Accumulation and Pathology in Transgenic Plants Expressing Viral Sequences,elated viruses, leading to increased virus accumulation and/or enhanced pathogencity has not been explored. Using transgenic plants generated in previous studies on replicase-mediated resistance, or for complementation studies, we have examined the ability of those transgenic plants to enhance the a作者: 牛的細(xì)微差別 時(shí)間: 2025-3-29 12:58
Risk Assessment of Transgenic Plants Expressing the Coat Protein Gene of Plum Pox Potyvirus (PPV),genes were used for the transformation of .. The use of CP genes of PPV in transgenic plants led to transcapsidation of several potyviruses. Although, in addition, only homologous recombination and complementation of mutated PPV has been observed in transgenic plants untill now, the consequences of 作者: Ambiguous 時(shí)間: 2025-3-29 18:09 作者: BOLUS 時(shí)間: 2025-3-29 20:43 作者: 意外的成功 時(shí)間: 2025-3-30 02:45 作者: Dissonance 時(shí)間: 2025-3-30 05:46
Risk Assessment of Gene Flow Associated with the Release of Virus-Resistant Transgenic Crop Plants,gression occurred under low but not high disease pressure. To assess fitness, test plants (G ., CZW-3, Fl hybrids and BC 1 progeny) were evaluated for virus resistance, number of fruits produced, and number of viable seeds. Under high disease pressure, all G . plants became severely infected and pro作者: oxidant 時(shí)間: 2025-3-30 12:05 作者: 牢騷 時(shí)間: 2025-3-30 12:29 作者: brassy 時(shí)間: 2025-3-30 18:48 作者: PLE 時(shí)間: 2025-3-30 23:37
Anne E. Simon,Peter D. Nagy,Clifford D. Carpenterment, Lueneburg, Germany, in a two-year research program in co-operation with partners from the University of St. Gallen, Switzerland, and Insead, Fontainebleau, France, and the approach which is discussed has been tested in practice with six large German and Swiss companies (.)..After a brief discu作者: 圣人 時(shí)間: 2025-3-31 02:32 作者: locus-ceruleus 時(shí)間: 2025-3-31 05:38
Mireille Jacquemond,Katalin Salánki,Isabelle Carrère,Ervin Balázs,Mark Tepferand biological principles; the biological and geochemical assessment; the prediction of effects and treatment; and finally, with restoration and revegetation. It is written by many leading scientists in the various fields, and will prove invaluable for managers and politicians who are concerned with作者: 常到 時(shí)間: 2025-3-31 13:00
William M. Wintermantel,Loránt Király,June Bourque,James E. Schoelzntoxidant balance in cells results in oxidative stress. While aerobic organisms can tolerate low levels of oxidative stress, severe oxidative stress causes cell damage, which may lead to cell death and in some cases, death to the organism (.).To understand how environmental metal and metalloid pollu作者: PIZZA 時(shí)間: 2025-3-31 14:51
