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7篇 您的检索式:作者名="Georg Jander"
    题名 作者 年代 出处 被引量
1Recent Progress in Deciphering the Biosynthesis of Aspartate-Derived Amino Acids in Plants显示文摘植物直接或间接地是大多数在动物食谱的必要氨基酸的来源。都经由一条很好学习的生合成小径从 aspartate 生产的四这些必要氨基的 acidsmethionine, threonine,异白氨酸,和 lysineare。在必要氨基酸给营养的兴趣,导出 aspartate 的氨基酸小径是广泛的研究的题目。另外,因为为经济地重要的除草剂的目标,和一些下游的产品是为象乙烯和 S-adenosylmethionine 那样的另外的必要植物代谢物的 biosynthetic 先锋,几小径酶服务。关于氨基酸的导出 aspartate 的家庭的最近、进行中的研究识别了新酶活动,规章的机制,并且在 vivo 新陈代谢的功能。一起,这些发现将为植物开创新可能性新陈代谢的工程。Georg Jander Vijay Joshi 2010Molecular Plant2010,3,1:12
2Adaptation to nicotine in the facultative tobacco‐feeding hemipteran Bemisia tabaci显示文摘Adi Kliot Svetlana Kontsedalov John S Ramsey Georg Jander Murad Ghanim 2014Pest. Manag. Sci2014,,10:1
3Indole glucosinolate breakdown and its biological effects显示文摘Niels Agerbirk Martin Vos Jae Hak Kim Georg Jander 2009Phytochemistry Reviews2009,,1:1
4Ethylmethanesulfonate saturation mutagenesis in arabidopsis to determine frequency of herbicide resistance显示文摘Georg Jander Scott R Baerson Jebecka A Hudak 2003Plant Physiology2003,131,:1
5Arabidopsis ADC1 functions as an Nδ-acetylornithine decarboxylase显示文摘Polyamines are small aliphatic amines found in almost all organisms,ranging from bacteria to plants and animals.In most plants,putrescine,the metabolic precursor for longer polyamines,such as spermidine and spermine,is produced from arginine,with either agmatine or ornithine as intermediates.Here we show that Arabidopsis thaliana(Arabidopsis)arginine de-carboxylase 1(ADC1),one of the two known arginine decarboxylases in Arabidopsis,not only synthesizes agmatine from arginine,but also converts N-acety.lornithine to N-acetylputrescine.Phylogenetic analyses indicate that duplication and neofunctionalization of ADC1 and NATA1,the enzymes that synthesize Nδ-acetylormithine in Arabidopsis,co-occur in a small number of related species in the Brassicaceae.Unlike ADC2,which is localized in the chloroplasts,ADC1 is in the endoplasmic reticulum together with NATA1,an indication that these two enzymes have access to the same substrate pool.Together,these results are con-sistent with a model whereby NATA1 and ADC1 to-gether provide a pathway for the synthesis of N-acetylputrescine in Arabidopsis.Yann-Ru Lou Sheaza Ahmed Jian Yan Adewale M.Adio Hannah M.Powell Paul F.Morris Georg Jander 2020Journal of Integrative Plant Biology2020,62,5:0
6Maize defense against insect herbivory:A novel role for 9-LOX-derived oxylipins显示文摘Up to 40%of global crops are destroyed by arthropod pests,either prior to harvest or during storage(Gullino et al.,2021).This problem is exacerbated by current and anticipated climatechanges that will allow the long-term survival of pest populationsin new habitats,as well as by the introduction of new pest speciesinto areas where they were not previously present.For instance,the recent introduction of Spodoptera frugiperda(fall armyworm),which previously was a major pest of Zea mays(maize)only in theAmericas,led to the expansion of this species throughout themaize-growing regions of Africa and Asia in less than 5 years(Tay et al.,2022).Guillermo H.Jimenez-Aleman Georg Jander 2023Molecular Plant2023,16,10:0
7Tecia solanivora infestation increases tuber starch accumulation in Pastusa Suprema potatoes显示文摘In response to infestation with larvae of the Guatemalan tuber moth(Tecia solanivora), some Solanum tuberosum(potato) varieties exhibit an overcompensation response, whereby the total dry mass of uninfested tubers is increased. Here, we describe early responses,within the first few days, of T. solanivora feeding, in the Colombian potato variety Pastusa Suprema. Nontargeted metabolite profiling showed significant secondary metabolism changes in T. solanivora-infested tubers,but not in uninfested systemic tubers. In contrast,changes in primary metabolism were greater in uninfested systemic tubers than in the infested tubers, with a notable 80% decline in systemic tuber sucrose levels within 1 d of T. solanivora infestation. This suggested either decreased sucrose transport from the leaves orincreased sink strength, i.e., more rapid sucrose to starch conversion in the tubers. Increased sucrose synthesis was indicated by higher rubisco activase and lower starch synthase gene expression in the leaves of infested plants.Elevated sink strength was demonstrated by 45% more total starch deposition in systemic tubers of T. solanivorainfested plants compared to uninfested control plants.Thus, rather than investing in increased defense of uninfested tubers, Pastusa Suprema promotes deposition of photoassimilates in the form of starch as a response to T. solanivora infestation.Pavan Kumar Etzel Garrido Kun Zhao Yi Zheng Saleh Alseekh Erandi Vargas-Ortiz Alisdair R.Fernie Zhangjun Fei Katja Poveda Georg Jander 2018Journal of Integrative Plant Biology2018,60,11:0
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