NMT专家北大应用报告之钙信号(31分58秒)
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(一作讲解)钙参与盐胁迫下作物酚类积累的GABA信号转导
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1)C2015-005,种康,中科院植物所,Cell,根,Ca2+
COLD1 Confers Chilling Tolerance in Rice
2)C2018-026,张国平,浙江大学农学系,浙江省作物种质资源重点实验室,Plant Cell Physiol ,大麦,根部成熟区,K+、Ca2+、H+
A Sodium Transporter
HvHKT1;1 Confers Salt Tolerance in Barley via Regulating Tissue and Cell Ion
Homeostasis
3)C2019-002,孙健、李宗芸,江苏师范大学,J Exp Bot ,甘薯,根,K+、H+、Ca2+、Na+
Root-zone-specific
sensitivity of K+-and Ca2+-permeable channels to H2O2 determines
ion homeostasis in salinized diploid and hexaploid Ipomoea trifida
4)C2019-020,李召虎,中国农业大学,New phytol,棉花、拟南芥,根,Ca2+、K+、Na+
Phosphatase GhDsPTP3a interacts
with annexin protein GhANN8b to reversely regulate salt tolerance in cotton
(Gossypium spp.)
5)C2019-033,杨润强,南京农业大学,Food and Chem Toxicol,大麦,Ca2+
Ca2+ involved
in GABA signal transduction for phenolics accumulation in germinated hulless
barley under NaCl stress
6)F2018-001,Science,花粉管,Ca2+
CORNICHON sorting and
regulation of GLR channels underlie pollen tube Ca2+ homeostasis
7)C2014-010,孙蒙祥,武汉大学,J EXP BOT,花粉管,Ca2+
Exogenous γ-aminobutyric
acid affects pollen tube growth via modulating putative Ca2+-permeable
membrane channels and is coupled to negative regulation on glutamate
decarboxylase
8)C2014-006,宋纯鹏,河南大学,Plant Cell,根毛/液泡,NH4+/Ca2+
A Receptor-Like Kinase
Mediates Ammonium Homeostasis and Is Important for the Polar Growth of Root
Hairs in Arabidopsis
9)C2014-003,张献龙/涂礼莉,华中农业大学,New Phytologist,纤维细胞,Ca2+
The calcium sensor
GhCaM7 promotes cotton fiber elongation by modulating reactive oxygen species
(ROS) production
10)C2012-010,Plant Physiology,陈少良,北京林业大学,根/真菌团,Na+/K+/H+/Ca2+
Paxillus involutus
strains MAJ and NAU mediate K+/Na+ homeostasis in
ectomycorrhizal Populus × canescens under NaCl stress
11)F2011-014,PLANT CELL ENVIRON ,叶肉细胞,Ca2+/ K+
Plasma membrane Ca2+ transporters
mediate virus-induced acquired resistance to oxidative stress
12)F2008-004,Plant Cell Physiology,叶肉细胞,Ca2+
Calcium Efflux as a
Component of the Hypersensitive Response of Nicotiana benthamiana to
Pseudomonas syringae
13)C2019-019,陈仲华,浙江大学,Proc natl acad sci,拟南芥,保卫细胞,K+、Ca2+、Cl-
Evolution of chloroplast
retrograde signaling facilitates green plant adaptation to land
14)C2018-056,张建华、刘鹰高,香港中文大学、山东农业大学,Plant journal,水稻,胚芽鞘,Ca2+
Natural variation in the
promoter of rice calcineurin B‐like protein10 (Os CBL 10) affects flooding
tolerance during seed germination among rice subspecies
15)C2015-001,罗志斌,西北农林科技大学,New Phytologist,根,Ca2+/Cd2+/H+
Overexpression of
bacterial gamma-glutamylcysteine synthetase mediates changes in cadmium influx,
allocation and detoxification in poplar
16)C2012-009,赵福庚,南京大学,PLANT CELL ENVIRON ,根,K+/Ca2+
Cadmium impairs ion
homeostasis by altering K+ and Ca2+ channel
activities in rice root hair cells
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Ca2+
1)Ca2+生理功能概述
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2)科研案例
1.案例1
为了研究Ca2+在NaCl胁迫下大麦幼苗中酚类物质积累的GABA信号转导中的作用,用外源GABA及其合成抑制剂3-巯基丙酸(3-MP)等试剂处理幼苗。结果表明,GABA诱导大麦根尖细胞内的Ca2+流入,并改变Ca2+的分布,使钙沉淀更均匀和密集。此外,LaCl3,EGTA和2-APB处理抑制了酚类物质的积累,这种抑制作用可以通过外源性GABA部分缓解。总之,Ca2+参与了NaCl胁迫下大麦幼苗中酚类物质积累的GABA信号转导。
(Ma Y, Wang P, Gu
Z, et al. Ca2+ involved in GABA signal transduction for
phenolics accumulation in germinated hulless barley under NaCl stress. Food
Chem X. 2019;2:100023. Published 2019 Apr 5. doi:10.1016/j.fochx.2019.100023)
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1、动物样品
1)细胞
神经细胞、肿瘤细胞、巨噬细胞、淋巴细胞等
2)组织器官
肿瘤、皮肤、胃粘膜、胰岛、脑(海马体等)、胚胎(大鼠、鱼)、斑马鱼皮肤/鳃、耳蜗、心脏(香螺)、卵(鱼、鸡蛋、爪蟾)、骨骼、角膜、脊椎(豚鼠)、肌肉组织(肌纤维、心肌)
3)其它动物样品
珊瑚、螨虫、昆虫(果蝇幼虫的肠、蟑螂血脑屏障、按蚊、长红锥蝽)、蝌蚪、水蛭、蓝蟹(微感毛)、变形虫、水丝蚓
2、植物样品
1)营养器官
根:根、根毛、根瘤
茎:边材、心材、微管形成层、木质部
叶:表皮细胞、叶肉细胞、盐腺细胞、保卫细胞
2)生殖器官
花:花瓣、花瓣表皮细胞、花粉
种子:整体、胚
果实:果壳、果皮、果肉(苹果、柑橘)、籽粒、棉花纤维、棉桃
3)细胞:植物悬浮细胞、液泡
4)愈伤组织
3、微生物样品
酵母细胞、菌丝、菌落、微藻、细菌(大肠杆菌)
4、其它生物样品
周丛生物
5、非生物样品
金属、混凝土、泥沙、纳米材料、生物医药材料