Nutrient impacts on plant secretions into soil
养分对植物分泌物进入土壤的影响
基本信息
- 批准号:1940678
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:英国
- 项目类别:Studentship
- 财政年份:2017
- 资助国家:英国
- 起止时间:2017 至 无数据
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Collaborative work in the Field and Knox laboratories has discovered that plant roots and rhizoids secrete high molecular weight glycans (polysaccharides) and that some of these are potent aggregators of soil particles. Aggregation of mineral particles is a key factor in soil formation and soil health. These important discoveries are in preparation for publication. Recent work by the two groups has also discovered that the profiles of secreted glycans are modulated by nutrient regimes. Currently we know that the lack of all nutrients leads to the specific upregulation of the soil aggregating glycan. This project will determine how varying nutrient regimes will impact on profiles of secreted glycans determined using quantitative methods with sets of monoclonal antibodies and carbohydrate-binding modules with high specificities and sensitivities. A key objective will be the identification of the specific nutrients that influence the secretion of glycans and the dissection of the underlying mechanistic physiology. The project will encompass species from across the land plant phylogeny and study glycan release from bryophyte rhizoids (a colonizing class of plants, important in soil formation in disturbed ground) and also utilize arabidopsis (genetic model with unparalleled resources to dissect mechanistic pathways) and wheat (a major crop species). Growth systems will include solid agar media (for bryophytes and Arabidopsis) and hydroponic systems (wheat). This is both a novel and timely project as studies on the structure and functions of high molecular weight molecules released by plant rhizoids and roots is a severely neglected area due to the lack of sensitive glyco-molecular tools. These tools are now available in the Knox laboratory. It is also extremely timely as loss of soil structure and poor soil health are major global problems impacting on crop productivity. Current molecular understanding of how plants can influence soil properties is scant
田间和诺克斯实验室的合作工作发现,植物根和假根分泌高分子量聚糖(多糖),其中一些是土壤颗粒的有效聚集剂。矿物颗粒的聚集是土壤形成和土壤健康的关键因素。这些重要发现正准备发表.这两个小组最近的工作还发现,分泌的聚糖谱受营养方案的调节。目前,我们知道,缺乏所有的营养物质导致特定的上调土壤聚集聚糖。该项目将确定不同的营养方案将如何影响使用具有高特异性和灵敏度的单克隆抗体和碳水化合物结合模块的定量方法测定的分泌聚糖谱。一个关键的目标将是确定影响聚糖分泌的特定营养素和解剖潜在的机制生理学。该项目将包括来自陆地植物的物种,研究bragiete假根(一种定殖植物,在扰动地面的土壤形成中很重要)的聚糖释放,还将利用拟南芥(具有无与伦比资源的遗传模型来剖析机械途径)和小麦(主要作物物种)。生长系统将包括固体琼脂培养基(用于芽甘蓝和拟南芥)和水培系统(小麦)。这是一个新颖而及时的项目,因为对植物假根和根释放的高分子量分子的结构和功能的研究是一个严重被忽视的领域,由于缺乏敏感的糖分子工具。这些工具现在可以在诺克斯实验室使用。这也是非常及时的,因为土壤结构丧失和土壤健康不良是影响作物生产力的主要全球性问题。目前对植物如何影响土壤性质的分子理解还很有限
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
A quantitative method for the high throughput screening for the soil adhesion properties of plant and microbial polysaccharides and exudates
- DOI:10.1007/s11104-018-3670-1
- 发表时间:2018-07-01
- 期刊:
- 影响因子:4.9
- 作者:Akhtar, Jumana;Galloway, Andrew F.;Knox, Paul
- 通讯作者:Knox, Paul
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其他文献
吉治仁志 他: "トランスジェニックマウスによるTIMP-1の線維化促進機序"最新医学. 55. 1781-1787 (2000)
Hitoshi Yoshiji 等:“转基因小鼠中 TIMP-1 的促纤维化机制”现代医学 55. 1781-1787 (2000)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
LiDAR Implementations for Autonomous Vehicle Applications
- DOI:
- 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
吉治仁志 他: "イラスト医学&サイエンスシリーズ血管の分子医学"羊土社(渋谷正史編). 125 (2000)
Hitoshi Yoshiji 等人:“血管医学与科学系列分子医学图解”Yodosha(涉谷正志编辑)125(2000)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Effect of manidipine hydrochloride,a calcium antagonist,on isoproterenol-induced left ventricular hypertrophy: "Yoshiyama,M.,Takeuchi,K.,Kim,S.,Hanatani,A.,Omura,T.,Toda,I.,Akioka,K.,Teragaki,M.,Iwao,H.and Yoshikawa,J." Jpn Circ J. 62(1). 47-52 (1998)
钙拮抗剂盐酸马尼地平对异丙肾上腺素引起的左心室肥厚的影响:“Yoshiyama,M.,Takeuchi,K.,Kim,S.,Hanatani,A.,Omura,T.,Toda,I.,Akioka,
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
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