Search Results - "Bhattacharjee, Amitabha"

AcrAB-TolC efflux pump system plays a role in carbapenem non-susceptibility in Escherichia coli by Chetri, Shiela, Bhowmik, Deepshikha, Paul, Deepjyoti, Pandey, Piyush, Chanda, Debadatta Dhar, Chakravarty, Atanu, Bora, Debajyoti, Bhattacharjee, Amitabha

“…Efflux pump mediated antibiotic resistance is an unnoticed and undetected mechanism in clinical microbiology laboratory. RND efflux systems are known for…”
Get full text

Colistin exposure enhances expression of eptB in colistin-resistant Escherichia coli co-harboring mcr-1 by Elizabeth, Rajkumari, Baishya, Somorita, Kalita, Bubul, Wangkheimayum, Jayalaxmi, Choudhury, Manabendra Dutta, Chanda, Debadatta Dhar, Bhattacharjee, Amitabha

“…Colistin resistance has increased due to the increasing and inappropriate use of this antibiotic. The mechanism involves modification of lipid A with…”
Get full text

Two non-active site residues W165 and L166 prominently influence the beta-lactam hydrolytic ability of OXA-23 beta-lactamase by Jain, Diamond, Verma, Jyoti, Ajith, Tejavath, Bhattacharjee, Amitabha, Ghosh, Anindya Sundar

“…Dissemination of class D OXA-type carbapenemases is one of the significant causes of beta-lactam resistance in Gram-negative bacteria. The amino acid residues…”
Get full text

Extensively Drug-Resistant Hypervirulent Klebsiella pneumoniae From a Series of Neonatal Sepsis in a Tertiary Care Hospital, India by Banerjee, Tuhina, Wangkheimayum, Jayalaxmi, Sharma, Swati, Kumar, Ashok, Bhattacharjee, Amitabha

“…The recent emergence of multidrug-resistant (MDR) with hypervirulent traits causing severe infections and considerable mortality is a global cause for concern…”
Get full text

Emergence of carbapenem-resistant enterobacterales co-harboring bla OXA−78 and bla OXA−58 from India by Bhaskar Jyoti Das, K. Melson Singha, Jayalaxmi Wangkheimayum, Debadatta Dhar Chanda, Amitabha Bhattacharjee

“…Abstract Background Carbapenem-Resistant Enterobacterales (CRE) has been categorized as pathogens of critical priority by World Health organization (WHO) as…”
Get full text

Transcriptional response of mar, sox and rob regulon against concentration gradient carbapenem stress within Escherichia coli isolated from hospital acquired infection by Chetri, Shiela, Das, Bhaskar Jyoti, Bhowmik, Deepshikha, Chanda, Debadatta Dhar, Chakravarty, Atanu, Bhattacharjee, Amitabha

“…The present study was carried out to investigate the transcriptional response of marA (Multiple antibiotic resistance A gene), soxS (Superoxide S gene) and rob…”
Get full text

Occurrence of Acquired 16S rRNA Methyltransferase-Mediated Aminoglycoside Resistance in Clinical Isolates of Enterobacteriaceae within a Tertiary Referral Hospital of Northeast India by Wangkheimayum, Jayalaxmi, Paul, Deepjyoti, Dhar, Debadatta, Nepram, Rajlakshmi, Chetri, Shiela, Bhowmik, Deepshikha, Chakravarty, Atanu, Bhattacharjee, Amitabha

“…The methylation of a ribosomal target leads to a high level of resistance to all clinically relevant aminoglycoside antibiotics, so early detection of these…”
Get full text

Optimization of loop-mediated isothermal amplification-based method for detection of macrolide-lincosamide-streptogramin B resistance in Staphylococcus aureus by Deshamukhya, Chandrayee, Bhowmik, Deepshikha, Dhar (Chanda), Debadatta, Bhattacharjee, Amitabha

Get full text

Distribution of virulence genes and SCCmec types among methicillin-resistant Staphylococcus aureus of clinical and environmental origin: a study from community of Assam, India by Bhowmik, Deepshikha, Chetri, Shiela, Das, Bhaskar Jyoti, Dhar Chanda, Debadatta, Bhattacharjee, Amitabha

“…This study was designed to discover the dissemination of virulence genes in Methicillin-resistant Staphylococcus aureus from clinical, community and…”
Get full text

Co-Carriage of blaKPC-2 and blaNDM-1 in Clinical Isolates of Pseudomonas aeruginosa Associated with Hospital Infections from India by Paul, Deepjyoti, Dhar Chanda, Debadatta, Maurya, Anand Prakash, Mishra, Shweta, Chakravarty, Atanu, Sharma, Gauri Dutt, Bhattacharjee, Amitabha

“…Global spread of KPC poses to be a serious threat complicating treatment options in hospital settings. The present study investigates the genetic environment…”
Get full text

Transcriptional response of OmpC and OmpF in Escherichia coli against differential gradient of carbapenem stress by Chetri, Shiela, Singha, Melson, Bhowmik, Deepshikha, Nath, Kathakali, Chanda, Debadatta Dhar, Chakravarty, Atanu, Bhattacharjee, Amitabha

“…This study was designed to investigate the transcriptional response of OmpF and OmpC along with an antisense RNA, MicF under concentration gradient carbapenem…”
Get full text

Transcriptional expression of secondary resistance genes ccdB and repA2 is enhanced in presence of cephalosporin and carbapenem in Escherichia coli by Baishya, Somorita, Deshamukhya, Chandrayee, Wangkheimayum, Jayalaxmi, Das, Bhaskar Jyoti, Anbarasu, Anand, Talukdar, Anupam Das, Bhattacharjee, Amitabha, Choudhury, Manabendra Dutta

“…The issue of carbapenem resistance in E.coli is very concerning and it is speculated that cumulative effect of both primary resistance genes and secondary…”
Get full text

Expansion of acquired 16S rRNA methytransferases along with CTX-M-15, NDM and OXA-48 within three sequence types of Escherichia coli from northeast India by Wangkheimayum, Jayalaxmi, Bhattacharjee, Mohana, Das, Bhaskar Jyoti, Singha, K Melson, Chanda, Debadatta Dhar, Bhattacharjee, Amitabha

“…This study aimed to identify ten different 16S rRNA methyltransferase genes (rmtA, rmtB, rmtC, rmtD, armA, rmtF, npmA, rmtH, rmtE and rmtG) and their…”
Get full text

Expressional Pattern of psm-mec System in Methicillin-Resistant Staphylococcus aureus Under Oxacillin Stress by Bhowmik, Deepshikha, Chetri, Shiela, Pandey, Piyush, Das, Bhaskar Jyoti, Wangkheimayum, Jayalaxmi, Choudhury, Nargis Alom, Singha, K. Melson, Chanda, Debadatta Dhar, Bhattacharjee, Amitabha

“…The psm-mec element and other regulatory factors such as sarA, agrA , and RNAIII are responsible for maintaining the genetic framework for enhanced virulence…”
Get full text

Genetic Environment of Plasmid Mediated CTX-M-15 Extended Spectrum Beta-Lactamases from Clinical and Food Borne Bacteria in North-Eastern India by Upadhyay, Supriya, Hussain, Abbas, Mishra, Shweta, Maurya, Anand Prakash, Bhattacharjee, Amitabha, Joshi, Santa Ram

“…The study investigated the presence of CTX-M-15 type extended spectrum beta-lactamases (ESBL), compared their genetic arrangements and plasmid types in gram…”
Get full text

Premature Termination of MexR Leads to Overexpression of MexAB-OprM Efflux Pump in Pseudomonas aeruginosa in a Tertiary Referral Hospital in India by Choudhury, Debarati, Ghose, Anamika, Ghosh, Anamika, Dhar Chanda, Debadatta, Das Talukdar, Anupam, Dutta Choudhury, Manabendra, Paul, Deepjyoti, Maurya, Anand Prakash, Chakravarty, Atanu, Chakravorty, Atanu, Bhattacharjee, Amitabha

“…The present study was undertaken to investigate the mutations that are present in mexR gene of multidrug resistant (MDR) isolates of Pseudomonas aeruginosa…”
Get full text

An insight into analysis and elimination of plasmids encoding metallo-β-lactamases in Pseudomonas aeruginosa by Paul, Deepjyoti, Chanda, Debadatta Dhar, Chakravarty, Atanu, Bhattacharjee, Amitabha

“…•This study characterizes the metallo-β-lactamase encoding plasmids in Pseudomonas aeruginosa.•It analyzes the copy number alteration of resistant plasmids…”
Get full text

Correction to: Expansion of acquired 16S rRNA methytransferases along with CTX-M-15, NDM and OXA-48 within three sequence types of Escherichia coli from northeast India by Wangkheimayum, Jayalaxmi, Bhattacharjee, Mohana, Das, Bhaskar Jyoti, Singha, K. Melson, Chanda, Debadatta Dhar, Bhattacharjee, Amitabha

“…An amendment to this paper has been published and can be accessed via the original article…”
Get full text

Transcriptional Analysis of MexAB-OprM Efflux Pumps System of Pseudomonas aeruginosa and Its Role in Carbapenem Resistance in a Tertiary Referral Hospital in India by Choudhury, Debarati, Das Talukdar, Anupam, Dutta Choudhury, Manabendra, Maurya, Anand Prakash, Paul, Deepjyoti, Dhar Chanda, Debadatta, Chakravorty, Atanu, Bhattacharjee, Amitabha

“…Carbapenem resistance presents severe threat to the treatment of multidrug resistant Pseudomonas aeruginosa infections. The study was undertaken to investigate…”
Get full text

High prevalence of carbapenemase, AmpC β-lactamase and aminoglycoside resistance genes in extended-spectrum β-lactamase-positive uropathogens from Northern India by Gajamer, Varsha Rani, Bhattacharjee, Amitabha, Paul, Deepjyoti, Ingti, Birson, Sarkar, Arunabha, Kapil, Jyotsna, Singh, Ashish Kumar, Pradhan, Nilu, Tiwari, Hare Krishna

“…•Of 1516 urine samples, 454 showed significant bacteriuria (prevalence rate 29.9%).•Sixty-one isolates harboured ESBL genes where blaCTX-M-15 was most…”
Get full text