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排序方式: 共有265条查询结果,搜索用时 656 毫秒
111.
Plasma Proteome Database as a resource for proteomics research 总被引:1,自引:0,他引:1
Muthusamy B Hanumanthu G Suresh S Rekha B Srinivas D Karthick L Vrushabendra BM Sharma S Mishra G Chatterjee P Mangala KS Shivashankar HN Chandrika KN Deshpande N Suresh M Kannabiran N Niranjan V Nalli A Prasad TS Arun KS Reddy R Chandran S Jadhav T Julie D Mahesh M John SL Palvankar K Sudhir D Bala P Rashmi NS Vishnupriya G Dhar K Reshma S Chaerkady R Gandhi TK Harsha HC Mohan SS Deshpande KS Sarker M Pandey A 《Proteomics》2005,5(13):3531-3536
Plasma is one of the best studied compartments in the human body and serves as an ideal body fluid for the diagnosis of diseases. This report provides a detailed functional annotation of all the plasma proteins identified to date. In all, gene products encoded by 3778 distinct genes were annotated based on proteins previously published in the literature as plasma proteins and the identification of multiple peptides from proteins under HUPO's Plasma Proteome Project. Our analysis revealed that 51% of these genes encoded more than one protein isoform. All single nucleotide polymorphisms involving protein-coding regions were mapped onto the protein sequences. We found a number of examples of isoform-specific subcellular localization as well as tissue expression. This database is an attempt at comprehensive annotation of a complex subproteome and is available on the web at http://www.plasmaproteomedatabase.org. 相似文献
112.
Arunkumar Venkatesan Kannan Palaniyandi Sujatha Narayanan 《Cell stress & chaperones》2018,23(4):539-550
Mycobacterium smegmatis, a rapidly growing non-pathogenic mycobacterium, is currently used as a model organism to study mycobacterial genetics. Acetamidase of M. smegmatis is the highly inducible enzyme of Mycobacteria, which utilizes several amide compounds as sole carbon and nitrogen sources. The acetamidase operon has a complex regulatory mechanism, which involves three regulatory proteins, four promoters, and three operator elements. In our previous study, we showed that over-expression of AmiA leads to a negative regulation of acetamidase by blocking the P2 promoter. In this study, we have identified a new positive regulatory protein, AmiC that interacts with AmiA through protein-protein interaction. Gel mobility shift assay showed that AmiC protein inhibits AmiA from binding to the P2 promoter. Interaction of AmiC with cis-acting elements identified its binding ability to multiple regulatory regions of the operon such as P3, OP3, and P1 promoter/operator. Consequently, the addition of inducer acetamide to AmiC complexe trips the complexes, causing AmiC to appear to be the sensory protein for the amides. Homology modeling and molecular docking studies suggest AmiC as a member of Periplasmic binding proteins, which preferentially bind to the inducers and not to the suppressor. Over-expression of AmiC leads to down-regulation of the negative regulator, amiA, and constitutive up-regulation of acetamidase. Based on these findings, we conclude that AmiC positively regulates the acetamidase operon. 相似文献
113.
Alla Korepanova Kenton L. Longenecker Steve D. Pratt Sanjay C. Panchal Richard F. Clark Marc Lake Sujatha M. Gopalakrishnan Diana Raich Chaohong Sun Andrew M. Petros 《Bioorganic & medicinal chemistry letters》2018,28(3):437-440
NAMPT expression is elevated in many cancers, making this protein a potential target for anticancer therapy. We have carried out both NMR based and TR-FRET based fragment screens against human NAMPT and identified six novel binders with a range of potencies. Co-crystal structures were obtained for two of the fragments bound to NAMPT while for the other four fragments force-field driven docking was employed to generate a bound pose. Based on structural insights arising from comparison of the bound fragment poses to that of bound FK866 we were able to synthetically elaborate one of the fragments into a potent NAMPT inhibitor. 相似文献
114.
Techniques for the regeneration of Jatropha curcas L. from various explants have been developed. Regeneration from hypocotyl, petiole and leaf explants was evaluated on a range of concentrations of zeatin, kinetin and N6 benzyladenine (BA) either singly or in combination with indole-3-butyric acid (IBA). Higher regeneration from hypocotyl and petiole explants was obtained on BA with IBA than on zeatin- or kinetin-supplemented media. Leaf discs from the third expanding leaf exhibited higher regeneration potential than those from the fourth leaf. Independent of the explant type, direct adventitious shoot bud induction was recorded highest on MS medium with 2.22 M BA and 4.9 M IBA. Although the same BA concentration but with reduced IBA concentration (0.49 M) proved effective in callus mediated regeneration from hypocotyl and leaf explants, the petioles required lower concentrations of the two growth regulators (0.44 M BA and 0.49 M IBA). Regenerated shoots could be rooted on growth regulator-free gelled full-strength MS medium. Following simple hardening procedures, the in vitro-raised plants could be transferred to soil and grown to maturity in the field.Abbreviations BA
N6 benzyladenine
- IAA
indole-3-acetic acid
- IBA
indole-3-butyric acid
- MS
Murashige & Skoog's (1962) medium
- NAA
-naphthaleneacetic acid 相似文献
115.
K. Silambarasan E. Rajalakshmi A. Sundaramanickam K. Sujatha 《Proceedings of the Zoological Society》2018,71(4):401-402
The sweeper fish Pempheris flavicycla is recorded from Kasimedu fish landing center, Chennai, India, for the first time. 相似文献
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Cerebrospinal fluid (CSF) from twenty three patients with non specific mental retardation and fourteen age matched normal samples was subjected for qualitative analysis of protein profiles by two-dimensional gel electrophoresis (2-DE) and the proteins were visualised by ultra sensitive silver staining. Two proteins designated as mental retardation associated proteins (MRAP-I and MRAP-II) were identified in six male patients out of twenty three patients CSF samples. MRAP-I had an isoelectric point of 7.4 with a relative molecular weight 16.5 kDa, while MRAP-II had an iso-electric point of 7.2 with a relative molecular weight 16.8 kDa. The two proteins are presumed to be originated from brain, as they could not be traced in the serum of patients, nor due to proteolytic degradation. Despite unknown origin and identity, their presence in the CSF of a specific group of mentally retarded male patients suggest their possible clinical utility and to define protein alterations in mental retardation. 相似文献
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120.
Lavanya Balakrishnan Raja Sekhar Nirujogi Sartaj Ahmad Mitali Bhattacharjee Srikanth S Manda Santosh Renuse Dhanashree S Kelkar Yashwanth Subbannayya Rajesh Raju Renu Goel Joji Kurian Thomas Navjyot Kaur Mukesh Dhillon Shantal Gupta Tankala Ramesh Jois Vivek Vasdev YL Ramachandra Nandini A Sahasrabuddhe TS Keshava Prasad Sujatha Mohan Harsha Gowda Subramanian Shankar Akhilesh Pandey 《Clinical proteomics》2014,11(1):6