搜索结果: 1-15 共查到“理学 phosphatase”相关记录17条 . 查询时间(0.076 秒)
Mechanisms of recruitment of the CTD phosphatase Rtr1 to RNA polymerase II
Rtr1 RNA polymerase II transcription
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2015/5/25
The C-terminal domain (CTD) of the RNA polymerase II (RNAPII) subunit Rpb1 must exist in a hypophosphorylated state prior to forming a competent transcription initiation complex. However, during trans...
Investigation of the action of phosphatase of regenerating liver on PTEN using murine models
Phosphatase of Regenerating Liver PTEN Mouse Models
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2015/5/25
The addition and removal of phosphate groups is a key regulatory mechanism for many cellular processes. The balance between phosphorylation and dephosphorylation is delicate and must be maintained in ...
The role of the CTD phosphatase Rrt1 and post-translational modifications in regulation of RNA polymerase II
CTD phosphatase Rtr1 MuDPIT AP-MS
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2015/5/25
RNA polymerase II (RNAPII) is regulated by multiple modifications to the C-terminal domain (CTD) of the largest subunit, Rpb1. This study has focused on the relationship between hyperphosphorylation o...
Stimulation of root acid phosphatase by phosphorus deficiency is regulated by ethylene in Medicago falcata
Phosphorus deficiency Ethylene Medicago falcata Acid phosphatase activity Phosphate transporters Organic phosphorus
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2015/2/5
Plants have developed numerous strategies to cope with phosphorus (P) deficiency resulting from low availability in soils. Evolution of ethylene and up-regulation of root secreted acid phosphatase act...
Expression and Function of the PRL Family of Protein Tyrosine Phosphatase
PRL phosphatase PTP4A DSP cancer
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2015/5/22
The PRL family of enzymes constitutes a unique class of protein tyrosine phosphatase, consisting of three highly homologous members (PRL-1, PRL-2, and PRL-3). Family member PRL-3 is highly expressed i...
Effect of Excessive Vitamin A on Alkaline Phosphatase Activity and Concentrations of Calcium-binding Protein and Bone Gla-protein in Culture Medium and CaBP mRNA Expression in Osteoblasts of Broiler Chickens
Vitamin A Broiler Chicken Calcium-binding Protein mRNA Expression Osteoblast Bone Gla-protein
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2016/5/6
This study was conducted to determine the effects of excess vitamin A on alkaline phosphatase (ALP) activity, contents of calcium-binding protein (CaBP), bone gla-protein (BGP) in culture medium and C...
Characterization of alkaline phosphatase activity in the North and South Pacific Subtropical Gyres: Implications for phosphorus cycling
alkaline phosphatase activity iin the North South Pacific Subtropical Gyres:phosphorus cycling
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2014/4/8
We characterized alkaline phosphatase (AP) activity (APA) and report AP kinetic parameters in the North and South Pacific Subtropical Gyres (NPSG and SPSG, respectively) to evaluate the relative impor...
Alkaline phosphatase activity and regulation in the North Pacific Subtropical Gyre
Alkaline phosphatase activity regulation the North Pacific Subtropical Gyre
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2014/4/17
Alkaline phosphatase (AP) activity (APA) was measured at several stations in the North Pacific Subtropical Gyre in July 2008, and in a series of nutrient addition experiments: nitrate plus ammonium (+...
Phosphatase activity and organic phosphorus turnover on a high Arctic glacier
Phosphatase activity organic phosphorus high Arctic glacier
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2010/1/20
Arctic glacier surfaces harbour abundant microbial communities consisting mainly of heterotrophic and photoautotrophic bacteria. The microbes must cope with low concentrations of nutrients and with th...
Down-regulation of Telomerase Activity via Protein Phosphatase 2A Activation in Salvicine-Induced Human Leukemia HL-60 Cell Apoptosis
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2007/7/28
期刊信息
篇名
Down-regulation of Telomerase Activity via Protein Phosphatase 2A Activation in Salvicine-Induced Human Leukemia HL-60 Cell Apoptosis
语种
英文
撰写或编译
作者
Liu WJ, Jiang JF, Xiao D, Ding J,.
第一作者单位
刊...
Presence and regulation of alkaline phosphatase activity in eukaryotic phytoplankton from the coastal ocean: Implications for dissolved organic phosphorus remineralization
Presence and regulation alkaline phosphatase activity eukaryotic phytoplankton the coastal ocean Implications for dissolved organic phosphorus remineralization
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2014/5/4
The biologically important constituents of the dissolved organic phosphorus (DOP) pool, their bioavailability, and their cycling in coastal systems are still poorly understood. Here we use the enzyme ...
Zinc availability and alkaline phosphatase activity in Emiliania huxleyi: Implications for Zn–P co-limitation in the ocean
Zinc availability alkaline phosphatase activity
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2014/4/23
Zinc (Zn) serves as a cofactor in several extracellular phosphatases, which allow microorganisms to acquire
phosphorus from organic P compounds. In oligotrophic ocean water, where both phosphate and ...
Effect of ultraviolet radiation on alkaline phosphatase activity and planktonic phosphorus acquisition in Canadian boreal shield lakes
Effect of ultraviolet radiation alkaline phosphatase activity planktonic phosphorus acquisition Canadian boreal shield lakes
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2014/5/13
We examined how ultraviolet radiation (UVR) affects the activity of alkaline phosphatase (APase), a common extracellular enzyme. APase activity declined up to 57% under UVR exposure and decreased more...
Isoenzyme Variation of Esterase and Acid Phosphatase and Genetic Affinities among Dasypyrum villosum (L.) P.Candargy, Elytrigia repens (L.) Nevski and Elymus caninus (L.) L.
Dasypyrum villosum Elytrigia repens Elymus caninus esterase acid phosphatase isoenzyme variation genetic affinities
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2010/3/22
Polyacrylamide gel electrophoresis was employed to study the isoenzyme variation of esterase and acid phosphatase in natural populations of Dasypyrum villosum (L.) P.Candargy, Elytrigia repens (L.) Ne...
Experimental investigation of taxon-specific response of alkaline phosphatase activity in natural freshwater phytoplankton
taxon-specific response alkaline phosphatase activity natural freshwater phytoplankton
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2014/5/20
It is widely accepted that alkaline phosphatase activity (APA) is an efficient indicator of phosphate limitation in freshwater phytoplankton communities. In this study, we investigated whether the res...