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सीएसआईआर - कोशिकीय एवं आणविक जीवविज्ञान केन्द्र

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पुरन सिंह सिजवाली

पुरन सिंह सिजवाली

पुरन सिंह सिजवाली

वरिष्ठ प्रधान वैज्ञानिक
रोल्स ऑफ़ दि यूबीक्विटिन प्रोटियोज़ोम सिस्टम एंड ऑटोफेगी इन मलेरिया पैरासाइट बायोलॉजी एंड पैथोजेनेसिस
2944
psijwali[at]ccmb[dot]res[dot]in

शोध रुचियाँ (Research Interests)

प्लास्मोडियम, एक प्रोटोज़ोआ जो मलेरिया का कारण बनता है, का विकास अत्यंत जटिल होता है और इसमें दर्जनों से अधिक विभिन्न अवस्थाएँ शामिल होती हैं। इन अवस्थाओं में से कई अलग-अलग कोशिकीय वातावरणों में विकसित होती हैं और अवस्था-विशिष्ट प्रोटीन एवं विशेष अंगक (ऑर्गेनेल्स) रखती हैं, जो आवश्यकतानुसार उत्पन्न और नष्ट किए जाते हैं। यह परजीवी न केवल पोषक तत्व प्राप्त करने के लिए मेज़बान (होस्ट) की कोशिकीय सामग्रियों को तोड़ता है, बल्कि अपने लाभ के लिए कई मेज़बान प्रोटीनों का भी उपयोग करता है।

प्लास्मोडियम की जीवविज्ञान की सीमित समझ नए टीके और दवाएँ विकसित करने में एक बड़ी बाधा है। साथ ही, असामान्य (नॉन-कैनोनिकल) कोशिकीय प्रक्रियाओं की उपस्थिति परजीवी-विशिष्ट प्रक्रियाओं की जांच की आवश्यकता को दर्शाती है।

मेरी प्रयोगशाला “मलेरिया परजीवी प्लास्मोडियम में वृद्धि, जीनोम की सटीकता, और अंगक कार्य के विनियमन” पर शोध कर रही है, जिसका उद्देश्य टीकों और दवाओं के विकास हेतु उपयुक्त उम्मीदवारों की पहचान करना है।

यनित प्रकाशन (Selected Publications)

Rizvi Z, Reddy GS, Gorde SM, Pundir P, Das D, Sijwali PS.
Plasmodium falciparum में कार्यात्मक SCF और CRL4 यूबिक्विटिन E3 लिगेज पाए जाते हैं, और CRL4 कोशिका विभाजन तथा झिल्ली अखंडता के लिए अत्यंत आवश्यक है।
PLOS Pathogens 20(2): e1012045.
https://doi.org/10.1371/journal.ppat.1012045

Tanneru N, Nivya MA, Adhikari N, Saxena K, Rizvi R, Sudhakar R, Nagwani AK, Atul, Abdul Al-Nihmi FM, Kumar KA, Sijwali PS.
Plasmodium DDI1 एक संभावित चिकित्सीय लक्ष्य और महत्वपूर्ण क्रोमैटिन-संबंधित प्रोटीन है।
Int J Parasitol. 2023 Jan 16; S0020-7519(23)00013-9.
doi: 10.1016/j.ijpara.2022.11.007.

Sudhakar R, Das D, Thanumalayan S, Gorde S, Sijwali PS.
Plasmodium falciparum Atg18, मल्टी-ड्रग रेसिस्टेंस प्रोटीन 1 और फॉस्फेटिडाइलिनोसिटॉल 3 फॉस्फेट के साथ पारस्परिक क्रिया द्वारा फूड वैक्यूल में स्थानीयकृत होता है।
Biochem J. 2021 May 14; 478(9):1705–1732.
doi: 10.1042/BCJ20210001.

Navale R, Atul, Allanki AD, and Sijwali PS. (2014)
ऑटोफैगी मार्कर प्रोटीन Atg8 का लक्षण निर्धारण Plasmodium falciparum में ऑटोफैगी की असामान्य विशेषताओं को उजागर करता है।
PLoS One 9(11): e113220.
doi: 10.1371/journal.pone.0113220.

Singhal N, Atul, Mastan B, Arun Kumar K, and Sijwali PS. (2014)
बहु-गतिविधि एंज़ाइम plasmoDJ1 के आनुवंशिक उन्मूलन से परजीवी की विषाणुता घटती है और ऊओसिस्ट उत्पादन कम होता है।
Biochem. J. 461 (189–203).
DOI: 10.1042/BJ20140051.

स्कॉलर प्रोफ़ाइल (Scholar Profile)

शिक्षा और अनुभव

स्नातकोत्तर:

आणविक जीवविज्ञान और जैव प्रौद्योगिकी ; गोविंद बल्लभ पंत कृषि एवं प्रौद्योगिकी विश्वविद्यालय, पंतनगर, भारत ; 1994

Ph.D:

वानर और मानव मलेरिया परजीवियों से थ्रॉम्बोस्पॉन्डिन-संबंधित आसंजक प्रोटीन (TRAP) का क्लोनिंग और लक्षण निर्धारण ; अंतर्राष्ट्रीय आनुवंशिक अभियांत्रिकी एवं जैव प्रौद्योगिकी केंद्र – जवाहरलाल नेहरू विश्वविद्यालय, नई दिल्ली, भारत ; 1999

पोस्ट डॉक्टरेट:

प्लास्मोडियम प्रोटीएज़ और लाल रक्त कणिकाओं (एरिथ्रोसाइट्स) में हीमोग्लोबिन अपघटन ; कैलिफ़ोर्निया विश्वविद्यालय, सैन फ्रांसिस्को, सीए, अमेरिका ; 1999–2004

 

अनुभव:

सहायक शोधकर्ता, कैलिफ़ोर्निया विश्वविद्यालय, सैन फ्रांसिस्को, सीए, अमेरिका ; 2004–2008

टीम सदस्य

team-members-pic
Puran Singh Sijwali
Puran Singh Sijwali

Scientist-G

Scientist-G

Gangumala Srinivas Reddy
Gangumala Srinivas Reddy

Senior Research Fellow

Senior Research Fellow

Somesh Gorde
Somesh Gorde

Senior Research Fellow

Senior Research Fellow

Manash Kumar Behera
Manash Kumar Behera

Senior Research Fellow

Senior Research Fellow

Pritam Das
Pritam Das

Senior Research Fellow

Senior Research Fellow

Kanika Saxena
Kanika Saxena

Senior Research Fellow

Senior Research Fellow

Anjana Vijayan
Anjana Vijayan

Junior Research Fellow

Junior Research Fellow

Pragati Patra
Pragati Patra

Senior Research Fellow(ICMR)

Senior Research Fellow(ICMR)

Amarttya Bagchi
Amarttya Bagchi

Junior Research Fellow

Junior Research Fellow

Achawale Shivam Madhav
Achawale Shivam Madhav

Junior Research Fellow

Junior Research Fellow

प्रकाशन

शीर्षक

पत्रिका

वर्ष

Development of diphenylmethylpiperazine hybrids of chloroquinoline and triazolopyrimidine using Petasis reaction as new cysteine proteases inhibitors for malaria therapeutics
European Journal of Medicinal Chemistry
2023
Bazedoxifene, a Postmenopausal Drug, Acts as an Antimalarial and Inhibits Hemozoin Formation
Microbiol Spectr
2022
Dissecting Plasmodium yoelii Pathobiology: Proteomic Approaches for Decoding Novel Translational and Post-Translational Modifications
ACS Omega
2022
Plasmodium falciparum Atg18 localizes to the food vacuole via interaction with the multi-drug resistance protein 1 and phosphatidylinositol 3-phosphate
Biochemical Journal
2021
Characterization of Plasmodium falciparum NEDD8 and identification of cullins as its substrates
Scientific Reports
2020
Identification of antimalarial leads with dual falcipain-2 and falcipain-3 inhibitory activity
Bioorg Med Chem Lett
2020
Synthesis and efficacy of pyrvinium-inspired analogs against tuberculosis and malaria pathogens
Bioorg Med Chem Lett
2020
Lyse-Reseal Erythrocytes for Transfection of Plasmodium falciparum
Scientific Reports
2019
Plasmodium falciparum GCN5 acetyltransferase follows a novel proteolytic processing pathway essential for its function
Journal of Cell Science
2019
Interaction with complement proteins and dendritic cells implicates LCCL domain-containing proteins (CCps) of malaria parasites in immunomodulation
Biochemical Journal
2018
Biotransformation of Artemisinin to 14-hydroxydeoxyartemisinin: C-14 hydroxylation by Aspergillus flavus.
Journal of Agricultural and Food Chemistry
2018
A conserved human DJ1-subfamily motif (DJSM) is critical for anti-oxidative and deglycase activities of Plasmodium falciparum DJ1.
Molecular & Biochemical Parasitology. 222:70-80. doi:10.1016/j.molbiopara.2018.05.003
2018
Biotransformation of Artemisinin to 14-hydroxydeoxyartemisinin: C-14 hydroxylation by Aspergillus flavus.
Journal of Agricultural and Food Chemistry. DOI: 10.1021/acs.jafc.8b03573
2018
Synthesis and evaluation of anti-plasmodial and cytotoxic activities of epoxyazadiradione derivatives.
Eur J Med Chem
2017
Synthesis and evaluation of anti-plasmodial and cytotoxic activities of epoxyazadiradione derivatives.
Eur J Med Chem. 134:242-257. doi: 10.1016/j.ejmech.2017.04.016.
2017
A Novel and conserved Plasmodium sporozoite membrane protein SPELD is required for maturation of exo-erythrocytic forms.
Sci Rep.7: 40407. doi: 10.1038/srep40407.
2017
Synthesis and evaluation of naphthyl bearing 1,2,3-triazole analogs as antiplasmodial agents, cytotoxicity and docking studies.
Bioorg Med Chem. 2017;25(1):221-232. doi: 10.1016/j.bmc.2016.10.029.
2016
Independent amino acid residues in the S2 pocket of falcipain-3 determine its specificity for P2 residues in substrates.
Mol Biochem Parasitol. 202(2):11-22. doi: 0.1016/j.molbiopara.2015.09.005.
2015
Emergence of pyrido quinoxalines as new family of antimalarial agents.
Eur J Med Chem. 77C:280-287.
2014
Genetic ablation of plasmoDJ1, a multi-activity enzyme, attenuates parasite virulence and reduces oocyst production.
Biochem. J. 461 (189-203).
2014
Characterization of the autophagy marker protein Atg8 reveals atypical features of autophagy in Plasmodium falciparum.
PLoS One 9(11): e113220. doi:10.1371/journal.pone.0113220.
2014
Synthesis and insight into the structure-activity relationships of chalcones as antimalarial agents.
J Med Chem. 2013 Jan 10;56(1):31-45.
2013
Blocking Plasmodium falciparum development via dual inhibition of hemoglobin degradation and the ubiquitin proteasome system by MG132.
PLoS One. 8(9):e73530.
2013
The Ionic and Hydrophobic Interactions Are Required for the Auto Activation of Cysteine Proteases of Plasmodium falciparum.
PLoS One. 7(10):e47227.
2012
Functional evaluation of Plasmodium export signals in Plasmodium berghei suggests multiple modes of protein export.
PLoS One 19;5(4): e10227.
2010
Antimalarial effects of human immunodeficiency virus type 1 protease inhibitors differ from those of the aspartic protease inhibitor pepstatin.
Antimicrob Agents Chemother 50(6): 2207-2209.
2007
Falcipain cysteine proteases require bipartite motifs for trafficking to the Plasmodium falciparum food vacuole.
Journal of Biological Chemistry 282(34):24961-9.
2007
A chimeric cysteine protease of Plasmodium berghei engineered to resemble the Plasmodium falciparum protease falcipain-2.
Protein Engineering, Design and Selection 20(4):171-177.
2007
Gene disruptions demonstrate independent roles for the four falcipain cysteine proteases of Plasmodium falciparum.
Mol Biochem Parasitol 150(1): 96:106.
2006
Structural basis for unique mechanisms of folding and hemoglobin binding by a malarial protease.
Proceedings of the National Academy of Sciences USA 103(31):11503-8.
2006
Plasmodium falciparum: Biochemical characterization of the cysteine protease falcipain-2\\\'.
Exp Parasitol 112(3):187-192.
2005
The Plasmodium falciparum cysteine protease falcipain-2 captures its substrate, hemoglobin, via a unique motif.
Proceedings of the National Academy of Sciences USA102(26): 9138-9143.
2005
Plasmodium falciparum cysteine protease falcipain-1 is not essential in erythrocytic stage malaria parasites.
Proceedings of the National Academy of Sciences USA 101(23): 8721-8726. *Equal Contribution.
2004
Identification and biochemical characterization of vivapains, cysteine proteases of the malaria parasite Plasmodium vivax.
Biochemical Journal 378(2): 529-538.
2004
Gene disruption confirms a critical role for the cysteine protease falcipain-2 in hemoglobin hydrolysis by Plasmodium falciparum.
Proceedings of the National Academy of Sciences USA 101(13): 4384-4389.
2004
Independent intramolecular mediators of folding, activity, and inhibition for the Plasmodium falciparum cysteine protease falcipain-2.
Journal of Biological Chemistry 279(5): 3484-3491.
2004
Critical role of amino acid 23 in mediating activity and specificity of vinckepain-2, a papain-family cysteine protease of rodent malaria parasites.
Biochemical Journal 368(1): 273-281.
2002
Folding of the Plasmodium falciparum cysteine protease falcipain-2 is mediated by a chaperone-like peptide and not the prodomain.
Journal of Biological Chemistry 277(17): 14910-14915.
2002
Expression and characterization of the Plasmodium falciparum haemoglobinase falcipain-3.
Biochemical Journal 360(2): 481-489.
2001
Recombinant falcipain-2 cleaves erythrocyte membrane ankyrin and protein 4.1.
Molecular Biochemical Parasitology 116(1): 95-99.
2001
Systematic optimization of expression and refolding of the Plasmodium falciparum cysteine protease falcipain-2.
Protein Expression and Purification 22(1): 128-134.
2001
Systematic optimization of expression and refolding of the Plasmodium falciparum cysteine protease falcipain-2.
Protein Expression and Purification 22(1): 128-134.
2001
Characterization of native and recombinant falcipain-2, a principal trophozoite cysteine protease and essential hemoglobinase of Plasmodium falciparum.
Journal of Biological Chemistry 275(37): 29000-29010. *Equal Contribution.
2000
Cloning and sequence analysis of the thrombospondin-related adhesive protein (TRAP) gene of Plasmodium cynomolgi bastianelli.
Molecular Biochemical Parasitology 90(1): 371-376.
1997
Detection and quantitation of Helicoverpa armigera nuclear polyhedrosis virus by ELISA technique.
Indian Journal of Microbiology 36: 229-230.
1996
Genomic innovation of ATD alleviates mistranslation associated with multicellularity in Animalia. (Covered by elife Science Digest- \\\'Proofreading to evolve\\\' June 18 2020)
eLife 2020;9:e58118
2020
Chiral checkpoints during protein biosynthesis
J Biol Chem doi: 10.1074/jbc.REV119.008166
2019
A chiral selectivity relaxed paralog of DTD for proofreading tRNA mischarging in Animalia.
Nature Commun. 9:511 DOI: 10.1038/s41467-017-02204-w
2018
A discriminator code-based DTD surveillance ensures faithful glycine delivery for protein biosynthesis in bacteria.
elife doi: 10.7554/eLife.38232.
2018
Enzyme action at RNA-protein interface in DTD-like fold
Curr Opin Struct Biol. 53, 107-114.
2018
A Transition Metal-Binding, Trimeric ??-Crystallin from Methane-Producing Thermophilic Archaea, Methanosaeta thermophila.
Biochemistry 56, 1299-1310
2017
Role of D-aminoacyl-tRNA deacylase beyond chiral proofreading as a cellular defense against glycine mischarging by AlaRS. (Covered by a Spotlight article in TIBS, September 2017, vol. 42; p684)
Elife 6, e24001
2017
A mutation in an exoglucanase of Xanthomonas oryzae pv. oryzae, which confers an endo mode of activity, affects bacterial virulence, but not the induction of immune responses, in rice.
Mol Plant Pathol. doi: 10.1111/mpp.12620.
2017
Structural insights into the regulation of NADPH binding to reductase domains of nonribosomal peptide synthetases: A concerted loop movement model.
J. Struct. Biol. 194, 368-374.
2016
Elongation factor Tu prevents misediting of Gly-tRNA(Gly) caused by the design behind the chiral proofreading site of D-aminoacyl-tRNA deacylase.
PLOS Biol. 14(5) e1002465, 1-22.
2016
Mutations in the predicted active site of Xanthomonas oryzae pv. oryzae XopQ differentially affect virulence, suppression of host innate immunity and induction of HR in a non-host plant.
Mol. Plant Microbe Interact. 28, 195-206.
2015
Specificity and catalysis hardwired at the RNA-protein interface in a translational proofreading enzyme.
Nature Commun. 6:7552 doi: 10.1038/ncomms8552.
2015
Unsaturated Lipid Assimilation by Mycobacteria Requires Auxiliary cis-trans Enoyl CoA Isomerase.
Chemistry & Biology 22, 1577-1587.
2015
Delineating the reaction mechanism of reductase domains of Nonribosomal Peptide Synthetases from mycobacteria.
J. Struct. Biol. 187, 207-214.
2014
Mechanism of chiral proofreading during translation of the genetic code (#Highlighted as Science Editor\\\'s Choice article: \\\'Chirality Check\\\' Science Vol. 343, p119; 10thJanuary, 2014)
eLife 2:e01519
2013
Decoding the molecular design principles underlying Ca(2+) binding to ??-crystallin motifs.
J. Mol. Biol. 415, 75-91.
2012
Molecular basis of the functional divergence of fatty acyl-AMP ligase biosynthetic enzymes of Mycobacterium tuberculosis.
J. Mol. Biol. 416, 221-238.
2012
Nonprocessive [2+2]e-off-loading reductase domains from mycobacterial nonribosomal peptide synthetases.
Proc. Natl. Acad. Sci. (USA) 109, 5681-5686.
2012
Crystallization and preliminary crystallographic studies of CbsA, a secretory exoglucanase from Xanthomonas oryzae pv. oryzae.
Acta Cryst. F68, 1191-1194.
2012
Aggregation prone near-native intermediate formation during unfolding of a structurally similar nonlenticular ??-crystallin domain.
Biochemistry 51, 8502-8513.
2012
Cloning, expression, purification, crystallization and preliminary X-ray crystallographic analyses of threonyl-tRNA synthetase editing domain from Aeropyrum pernix.
Acta Cryst. F68, 1390-1393.
2012
Expression, Characterization, and Cellular Localization of Knowpains, Papain-Like Cysteine Proteases of the Plasmodium knowlesi Malaria Parasite.
PLoS One. 2012;7(12):e51619.
2012
Expression, Characterization, and Cellular Localization of Knowpains, Papain-Like Cysteine Proteases of the Plasmodium knowlesi Malaria Parasite.
PLoS One. 2012;7(12):e51619.
2012
Expression, Characterization, and Cellular Localization of Knowpains, Papain-Like Cysteine Proteases of the Plasmodium knowlesi Malaria Parasite.
PLoS One. 2012;7(12):e51619.
2012

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