Search Results - "Chakravarty, Atanu"

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…”
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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…”
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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…”
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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…”
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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…”
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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…”
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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…”
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IncX3 plasmid mediated occurrence of blaNDM-4 within Escherichia coli ST448 from India by Choudhury, Nargis A., Paul, Deepjyoti, Chakravarty, Atanu, Bhattacharjee, Amitabha, Dhar Chanda, Debadatta

“…This study was designed to investigate blaNDM-4 encoded within IncX3 type plasmid and their copy number alteration under carbapenem pressure within clinical…”
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Occurrence of blaNDM-7 within IncX3-type plasmid of Escherichia coli from India by Paul, Deepjyoti, Bhattacharjee, Amitabha, Ingti, Birson, Choudhury, Nargis Alom, Maurya, Anand Prakash, Dhar, Debadatta, Chakravarty, Atanu

“…Abstract Background New-Delhi metallo-β-lactamase-7 with higher hydrolytic activity than its ancestor NDM-1 is emerging across the globe including India. In…”
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Transcriptional analysis of bla NDM-1 and copy number alteration under carbapenem stress by Paul, Deepjyoti, Bhattacharjee, Amitabha, Bhattacharjee, Dibyojyoti, Dhar, Debadatta, Maurya, Anand Prakash, Chakravarty, Atanu

“…Background New Delhi metallo beta-lactamase is known to compromise carbapenem therapy and leading to treatment failure. However, their response to carbapenem…”
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Occurrence of diverse aminoglycoside modifying enzymes with co-existing extended-spectrum-β-lactamases within Enterobacteriaceae isolated in India by Wangkheimayum, Jayalaxmi, Majumder, Trisha Datta, Tapadar, Yasmin Begam, Das, Bhaskar Jyoti, Paul, Deepjyoti, Dhar, Debadatta, Chakravarty, Atanu, Bhattacharjee, Amitabha

“…•This study describes co-existing ESBL and AME harbouring Enterobacteriaceae in a single centre.•Diverse AME types as single and in combination were observed…”
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Correction: 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, Chanda, Debadatta Dhar, Talukdar, Anupam Das, Choudhury, Manabendra Dutta, Paul, Deepjyoti, Maurya, Anand Prakash, Chakravarty, Atanu, Bhattacharjee, Amitabha

“…(2016) Premature Termination of MexR Leads to Overexpression of MexAB-OprM Efflux Pump in Pseudomonas aeruginosa in a Tertiary Referral Hospital in India.PLoS…”
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Expansion of highly stable bla OXA-10 β-lactamase family within diverse host range among nosocomial isolates of Gram-negative bacilli within a tertiary referral hospital of Northeast India by Maurya, Anand Prakash, Dhar, Debadatta, Basumatary, Mridul Kumar, Paul, Deepjyoti, Ingti, Birson, Choudhury, Debarati, Talukdar, Anupam Das, Chakravarty, Atanu, Mishra, Shweta, Bhattacharjee, Amitabha

“…The current study reports dissemination of highly stable bla family of beta lactamases among diverse group of nosocomial isolates of Gram-negative bacilli…”
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Effect of concentration gradient carbapenem exposure on expression of blaNDM-1 and acrA in carbapenem resistant Escherichia coli by Chetri, Shiela, Bhowmik, Deepshikha, Dhar, Debadatta, Chakravarty, Atanu, Bhattacharjee, Amitabha

“…Escherichia coli, one of the major pathogens, frequently exhibits carbapenem resistance. It would be of interest to investigate which of the mechanisms…”
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An unusual occurrence of plasmid-mediated blaOXA-23 carbapenemase in clinical isolates of Escherichia coli from India by Paul, Deepjyoti, Ingti, Birson, Bhattacharjee, Dibyojyoti, Maurya, Anand Prakash, Dhar, Debadatta, Chakravarty, Atanu, Bhattacharjee, Amitabha

“…Highlights • This study reports the presence of blaOXA-23 in Escherichia coli from a tertiary hospital of India. • Detection of blaOXA-23 in E. coli leaves a…”
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Transcriptional Response of AcrEF-TolC against Fluoroquinolone and Carbapenem in Escherichia coli of Clinical Origin by Chetri, Shiela, Dolley, Anutee, Bhowmik, Deepshikha, Chanda, Debadatta Dhar, Chakravarty, Atanu, Bhattacharjee, Amitabha

“…Introduction: Efflux pump systems constitute a major means of intrinsic resistance in Escherichia coli. AcrEF-TolC pump is known to exhibit higher expression…”
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Integron-borne transmission of VEB-1 extended-spectrum β-lactamase in Pseudomonas aeruginosa in a tertiary care hospital in India by Maurya, Anand Prakash, Talukdar, Anupam Das, Chanda, Debadatta Dhar, Chakravarty, Atanu, Bhattacharjee, Amitabha

“…A total 14 clinical isolates of Pseudomonas aeruginosa that produced VEB-1 and were susceptible only to polymyxin B were recovered from hospitalized patients…”
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Sub-inhibitory Concentration of Ertapenem Induces Overexpression of Regulator of Antibiotic Resistance A in Escherichia coli by Chetri, Shiela, Singha, Kabita, Bhowmik, Deepshikha, Chanda, Debadatta Dhar, Chakravarty, Atanu, Bhattacharjee, Amitabha

“…AcrAB-TolC is a tripartite efflux pump system constitutively expressed which functions as an intrinsic-resistant mechanism found to be responsible for…”
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An unusual occurrence of plasmid-mediated bla OXA-23 carbapenemase in clinical isolates of Escherichia coli from India by Paul, Deepjyoti, Ingti, Birson, Bhattacharjee, Dibyojyoti, Maurya, Anand Prakash, Dhar, Debadatta, Chakravarty, Atanu, Bhattacharjee, Amitabha

“…The bla group was considered as the first group of OXA-type β-lactamases conferring carbapenem resistance and has been reported worldwide in Acinetobacter…”
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Effect of concentration gradient carbapenem exposure on expression of bla NDM-1 and acrA in carbapenem resistant Escherichia coli by Chetri, Shiela, Bhowmik, Deepshikha, Dhar, Debadatta, Chakravarty, Atanu, Bhattacharjee, Amitabha

“…Escherichia coli, one of the major pathogens, frequently exhibits carbapenem resistance. It would be of interest to investigate which of the mechanisms…”
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