Mehrad Hamidian

Publications

• Two carbapenem-resistant ST1:ST231:KL1:OCL1 Acinetobacter baumannii strains recovered in Tehran, Iran, carry AbaR31 in the chromosome and AbaR4 and TnaphA6 in a RepAci6 plasmid
• Insights from the revised complete genome sequences of Acinetobacter baumannii strains AB307-0294 and ACICU belonging to global clones 1 and 2.
• Corrigendum: Five decades of genome evolution in the globally distributed, extensively antibiotic-resistant Acinetobacter baumannii global clone 1.
• The resistance gene complement of D4, a multiply antibiotic-resistant ST25 Acinetobacter baumannii isolate, resides in two genomic islands and a plasmid
• Destabilization of IncA and IncC plasmids by SGI1 and SGI2 type Salmonella genomic islands
• Acinetobacter baumannii ATCC 19606 carries GIsul2 in a genomic island located in the chromosome
• Salmonella Genomic Island 1 is Broadly Disseminated within Gammaproteobacteriaceae.
• Corrected Genome Sequence of Acinetobacter baumannii Strain AB0057, an Antibiotic-Resistant Isolate from Lineage 1 of Global Clone 1.
• A small Acinetobacter plasmid carrying the tet39 tetracycline resistance determinant.
• Problems with the Oxford MLST scheme for Acinetobacter baumannii; do ST92 and ST109 exist?
• Five decades of genome evolution in the globally distributed, extensively antibiotic-resistant Acinetobacter baumannii global clone 1
• RCH51, a multiply antibiotic-resistant Acinetobacter baumannii ST103IP isolate, carries resistance genes in three plasmids, including a novel potentially conjugative plasmid carrying oxa235 in transposon Tn6252
• Complete Genome Sequence of A388, an Antibiotic-Resistant Acinetobacter baumannii Global Clone 1 Isolate from Greece.
• Emergence, molecular mechanisms and global spread of carbapenem-resistant Acinetobacter baumannii.
• Analysis of Complete Genome Sequence of Acinetobacter baumannii Strain ATCC 19606 Reveals Novel Mobile Genetic Elements and Novel Prophage
• Emergence and rapid global dissemination of CTX-M-15-associated Klebsiella pneumoniae strain ST307
• Genetic structure of four plasmids found in Acinetobacter baumannii isolate D36 belonging to lineage 2 of global clone 1.
• Complete Genome Sequence of Stenotrophomonas maltophilia Strain CF13, Recovered from Sputum from an Australian Cystic Fibrosis Patient
• A conjugative plasmid carrying the carbapenem resistance gene blaOXA-23 in AbaR4 in an extensively resistant GC1 Acinetobacter baumannii isolate
• ISAba1 targets a specific position upstream of the intrinsic ampC gene of Acinetobacter baumannii leading to cephalosporin resistance
• Antibiotic-resistant Acinetobacter baumannii variants belonging to global clone 1
• Genome Sequence of Acinetobacter baumannii Strain A1, an Early Example of Antibiotic-Resistant Global Clone 1.
• Accumulation of Antibiotic Resistance Genes in Carbapenem-Resistant Acinetobacter baumannii Isolates Belonging to Lineage 2, Global Clone 1, from Outbreaks in 2012-2013 at a Tehran Burns Hospital.
• Dissemination of novel Tn7 family transposons carrying genes for synthesis and uptake of fimsbactin siderophores among Acinetobacter baumannii isolates
• Genomic and phenotypic analyses of diverse non-clinical Acinetobacter baumannii strains reveals strain-specific virulence and resistance capacity
• The AbaR antibiotic resistance islands found in Acinetobacter baumannii global clone 1 - Structure, origin and evolution.
• Emergence and rapid global dissemination of CTX-M-15-associated Klebsiella pneumoniae strain ST307.
• Evolution of a clade of Acinetobacter baumannii global clone 1, lineage 1 via acquisition of carbapenem- and aminoglycoside-resistance genes and dispersion of ISAba1.
• Variants of Tn 6924 , a Novel Tn 7 Family Transposon Carrying the bla NDM Metallo-β-Lactamase and 14 Copies of the aphA6 Amikacin Resistance Genes Found in Acinetobacter baumannii
• Extensively resistant Acinetobacter baumannii isolate RCH52 carries several resistance genes derived from an IncC plasmid
• Evolution of Acinetobacter baumannii plasmids carrying the oxa58 carbapenemase resistance gene via plasmid fusion, IS26-mediated events and dif module shuffling.
• An outbreak of multiply antibiotic-resistant ST49:ST128:KL11:OCL8 Acinetobacter baumannii isolates at a Sydney hospital
• Phylogenomics of two ST1 antibiotic-susceptible non-clinical Acinetobacter baumannii strains reveals multiple lineages and complex evolutionary history in global clone 1
• Cl415, a carbapenem-resistant Acinetobacter baumannii isolate containing four AbaR4 and a new variant of AbGRI2, represents a novel global clone 2 strain
• The complete sequence of Salmonella genomic island SGI1-K
• ISMapper: Identifying transposase insertion sites in bacterial genomes from short read sequence data
• A GC1 Acinetobacter baumannii isolate carrying AbaR3 and the aminoglycoside resistance transposon TnaphA6 in a conjugative plasmid
• Resistance to third-generation cephalosporins in Acinetobacter baumannii due to horizontal transfer of a chromosomal segment containing ISAba1-ampC
• Horizontal transfer of an ISAba125-activated ampC gene between Acinetobacter baumannii strains leading to cephalosporin resistance
• The complete sequence of Salmonella genomic island SGI2
• Tn6168, a transposon carrying an ISAba1-activated ampC gene and conferring cephalosporin resistance in Acinetobacter baumannii
• pACICU2 is a conjugative plasmid of Acinetobacter carrying the aminoglycoside resistance transposon TnaphA6
• Genomic resistance island AGI1 carrying a complex class 1 integron in a multiply antibiotic-resistant ST25 Acinetobacter baumannii isolate
• Identification of a marker for two lineages within the GC1 clone of Acinetobacter baumannii
• IncM Plasmid R1215 Is the Source of Chromosomally Located Regions Containing Multiple Antibiotic Resistance Genes in the Globally Disseminated Acinetobacter baumannii GC1 and GC2 Clones.
• Genome Sequence of Acinetobacter baumannii Strain D36, an Antibiotic-Resistant Isolate from Lineage 2 of Global Clone 1.
• pIP40a, a type 1 IncC plasmid from 1969 carries the integrative element GIsul2 and a novel class II mercury resistance transposon.
• A large conjugative Acinetobacter baumannii plasmid carrying the sul2 sulphonamide and strAB streptomycin resistance genes.
• Origin of the AbGRI1 antibiotic resistance island found in the comM gene of Acinetobacter baumannii GC2 isolates.
• Emerging Concern for Silver Nanoparticle Resistance in Acinetobacter baumannii and Other Bacteria
• Acute diarrhea due to enteropathogenic bacteria in patients at hospitals in Tehran
• Detection of novel gyrA mutations in nalidixic acid-resistant isolates of Salmonella enterica from patients with diarrhoea
• Fla-typing, RAPD analysis, isolation rate and antimicrobial resistance profile of Campylobacter jejuni and Campylobacter coli of human origin collected from hospitals in Tehran, Iran
• Prevalence of putative virulence markers in campylobacter jejuni and campylobacter coli isolated from hospitalized children, raw chicken, and raw beef in Tehran, Iran
• Variants of the gentamicin and tobramycin resistance plasmid pRAY are widely distributed in Acinetobacter
• AbaR4 replaces AbaR3 in a carbapenem-resistant acinetobacter baumannii isolate belonging to global clone 1 from an australian hospital
• Emergence of extended-spectrum beta-lactamases in clinical isolates of Salmonella enterica in Tehran, Iran.
• Prevalence and antimicrobial resistance of diarrheagenic Escherichia coli and Shigella species associated with acute diarrhea in Tehran, Iran.
• Acute diarrhea due to enteropathogenic bacteria in patients at hospitals in Tehran.
• Antimicrobial susceptibility testing for Escherichia coli strains to fluoroquinolones, in urinary tract infections
• Frequency of extended spectrum β-Lactamase producing Enterobacteriaceae in intensive care units
• Antimicrobial susceptibility testing of Escherichia coli strains isolated from urinary tract infections to fluoroquinolones and detection of gyrA mutations in resistant strains
• Detection and typing of plasmids in Acinetobacter baumannii using rep genes encoding replication initiation proteins
• Emergence and rapid global dissemination of CTX-M-15-associated Klebsiella pneumoniae strain ST307.
• Insights from the revised complete genome sequences of Acinetobacter baumannii strains AB307-0294 and ACICU belonging to global clone 1 and 2
• Genomic Analysis of Carbapenem-Resistant Acinetobacter baumannii Strains Recovered from Chilean Hospitals Reveals Lineages Specific to South America and Multiple Routes for Acquisition of Antibiotic Resistance Genes
• Tn6553, a Tn7-family transposon encoding putative iron uptake functions found in Acinetobacter.
• Analysis of pCl107 a large plasmid carried by an ST25 Acinetobacter baumannii strain reveals a complex evolutionary history and links to multiple antibiotic resistance and metabolic pathways
• Detection and Typing of Plasmids in Acinetobacter baumannii Using rep Genes Encoding Replication Initiation Proteins
• Development of Nanoparticle Adaptation Phenomena in Acinetobacter baumannii: Physiological Change and Defense Response
• The evolutionary tale of eight novel plasmids in a colistin-resistant environmental Acinetobacter baumannii isolate
• Portrait of a killer: Uncovering resistance mechanisms and global spread of Acinetobacter baumannii
• Examining the role of Acinetobacter baumannii Plasmid Types in Disseminating Antimicrobial Resistance
• Examining the role ofAcinetobacter baumanniiPlasmid Types in Disseminating Antimicrobial Resistance
• The extensively antibiotic resistant ST111 Acinetobacter baumannii isolate RBH2 carries an extensive mobile element complement of plasmids, transposons and insertion sequences.
• Genomic Analysis of Diverse Environmental Acinetobacter Isolates Identifies Plasmids, Antibiotic Resistance Genes, and Capsular Polysaccharides Shared with Clinical Strains
• Genomic Analysis of Diverse EnvironmentalAcinetobacterIsolates Identifies Plasmids, Antibiotic Resistance Genes, and Capsular Polysaccharides Shared with Clinical Strains
• Examining the role of Acinetobacter baumannii plasmid types in disseminating antimicrobial resistance
• Genomic analysis of diverse environmental Acinetobacter isolates identifies plasmids, antibiotic resistance genes, and capsular polysaccharides shared with clinical strains
• Transposons Carrying the aacC2e Aminoglycoside and blaTEM Beta-Lactam Resistance Genes in Acinetobacter
• Genomic Analysis of Early ST32IP Acinetobacter baumannii Strains Recovered in U.S. Military Treatment Facilities Reveals Distinct Lineages and Links to the Origins of the Tn6168 ampC Transposon
• Genomic analysis of early ST32 Acinetobacter baumannii strains recovered in US military treatment facilities reveals distinct lineages and links to the origins of the Tn6168 ampC transposon
• ISMapper: Identifying insertion sequences in bacterial genomes from short read sequence data
• Molecular evolution of silver nanoparticle resistance in a bacterial pathogen and a unique adaptation response to ionic silver
• Detection of gyrA Mutations in Fluoroquinolone resistant E-coli Isolated from Urinary Tract Infections in Tehran, Iran
• Genomic characteristics of the multi-resistant Acinetobacter baumannii global clone 1 reference strain A297/RUH875