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Author Hannah R Chase

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Prevalence, Distribution, and Phylogeny of Type Two Toxin-Antitoxin Genes Possessed by Cronobacter Species where C. sakazakii Homologs Follow Sequence Type Lineages.

Samantha Finkelstein, Flavia Negrete, Hyein Jang, Jayanthi Gangiredla, Mark Mammel, Isha R Patel, Hannah R Chase, JungHa Woo, YouYoung Lee, Caroline Z Wang, Leah Weinstein, Ben D Tall, Gopal R Gopinath,

Cronobacter species are a group of foodborne pathogenic bacteria that cause both intestinal and systemic human disease in individuals of all age groups. Little is known about the mechanisms that Cronobacter employ to survive and persist in foods and other environments. Toxin-antitoxin (TA) genes are thought to play a role ... Read more >>

Microorganisms (Microorganisms)
[2019, 7(11):]

Cited: 0 times

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Draft genomes of Cronobacter sakazakii strains isolated from dried spices bring unique insights into the diversity of plant-associated strains.

Hyein Jang, Jungha Woo, Youyoung Lee, Flavia Negrete, Samantha Finkelstein, Hannah R Chase, Nicole Addy, Laura Ewing, Junia Jean Gilles Beaubrun, Isha Patel, Jayanthi Gangiredla, Athmanya Eshwar, Ziad W Jaradat, Kunho Seo, Srikumar Shabarinath, Séamus Fanning, Roger Stephan, Angelika Lehner, Ben D Tall, Gopal R Gopinath,

Cronobacter sakazakii is a Gram-negative opportunistic pathogen that causes life- threatening infantile infections, such as meningitis, septicemia, and necrotizing enterocolitis, as well as pneumonia, septicemia, and urinary tract and wound infections in adults. Here, we report 26 draft genome sequences of C. sakazakii, which were obtained from dried spices from ... Read more >>

Stand Genomic Sci (Standards in genomic sciences)
[2018, 13:35]

Cited: 2 times

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Analysis of enterotoxigenic Bacillus cereus strains from dried foods using whole genome sequencing, multi-locus sequence analysis and toxin gene prevalence and distribution using endpoint PCR analysis.

Laurenda Carter, Hannah R Chase, Charles M Gieseker, Nicholas R Hasbrouck, Cynthia B Stine, Ashraf Khan, Laura J Ewing-Peeples, Ben D Tall, Gopal R Gopinath,

Bacillus cereus strains were isolated from dried foods, which included international brands of spices from South East Asia, Mexico and India purchased from several retail stores, samples of powdered infant formula (PIF), medicated fish feed and dietary supplements. The genetic diversity of 64 strains from spices and PIF was determined ... Read more >>

Int. J. Food Microbiol. (International journal of food microbiology)
[2018, 284:31-39]

Cited: 0 times

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Genomic characterization of malonate positive Cronobacter sakazakii serotype O:2, sequence type 64 strains, isolated from clinical, food, and environment samples.

Gopal R Gopinath, Hannah R Chase, Jayanthi Gangiredla, Athmanya Eshwar, Hyein Jang, Isha Patel, Flavia Negrete, Samantha Finkelstein, Eunbi Park, TaeJung Chung, YeonJoo Yoo, JungHa Woo, YouYoung Lee, Jihyeon Park, Hyerim Choi, Seungeun Jeong, Soyoung Jun, Mijeong Kim, Chaeyoon Lee, HyeJin Jeong, Séamus Fanning, Roger Stephan, Carol Iversen, Felix Reich, Günter Klein, Angelika Lehner, Ben D Tall,

Malonate utilization, an important differential trait, well recognized as being possessed by six of the seven Cronobacter species is thought to be largely absent in Cronobacter sakazakii (Csak). The current study provides experimental evidence that confirms the presence of a malonate utilization operon in 24 strains of sequence type (ST) ... Read more >>

Gut Pathog (Gut pathogens)
[2018, 10:11]

Cited: 2 times

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Comparative Genomic Characterization of the Highly Persistent and Potentially Virulent Cronobacter sakazakii ST83, CC65 Strain H322 and Other ST83 Strains.

Hannah R Chase, Gopal R Gopinath, Athmanya K Eshwar, Andrea Stoller, Claudia Fricker-Feer, Jayanthi Gangiredla, Isha R Patel, Hediye N Cinar, HyeJin Jeong, ChaeYoon Lee, Flavia Negrete, Samantha Finkelstein, Roger Stephan, Ben D Tall, Angelika Lehner,

Cronobacter (C.) sakazakii is an opportunistic pathogen and has been associated with serious infections with high mortality rates predominantly in pre-term, low-birth weight and/or immune compromised neonates and infants. Infections have been epidemiologically linked to consumption of intrinsically and extrinsically contaminated lots of reconstituted powdered infant formula (PIF), thus contamination ... Read more >>

Front Microbiol (Frontiers in microbiology)
[2017, 8:1136]

Cited: 6 times

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Draft Genome Sequence of Cronobacter sakazakii GP1999, Sequence Type 145, an Epiphytic Isolate Obtained from the Tomato's Rhizoplane/Rhizosphere Continuum.

Hannah R Chase, Leo Eberl, Roger Stephan, HyeJin Jeong, Chaeyoon Lee, Samantha Finkelstein, Flavia Negrete, Jayanthi Gangiredla, Isha Patel, Ben D Tall, Gopal R Gopinath, Angelika Lehner,

We present here the draft genome of Cronobacter sakazakii GP1999, a sequence type 145 strain isolated from the rhizosphere of tomato plants. Assembly and annotation of the genome resulted in a genome of 4,504,670 bp in size, with 4,148 coding sequences, and a GC content of 56.8%. ... Read more >>

Genome Announc (Genome announcements)
[2017, 5(31):]

Cited: 2 times

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Analysis and Characterization of Proteins Associated with Outer Membrane Vesicles Secreted by Cronobacter spp.

Mahendra H Kothary, Gopal R Gopinath, Jayanthi Gangiredla, Prasad V Rallabhandi, Lisa M Harrison, Qiong Q Yan, Hannah R Chase, Boram Lee, Eunbi Park, YeonJoo Yoo, Taejung Chung, Samantha B Finkelstein, Flavia J Negrete, Isha R Patel, Laurenda Carter, Venugopal Sathyamoorthy, Séamus Fanning, Ben D Tall,

Little is known about secretion of outer membrane vesicles (OMVs) by Cronobacter. In this study, OMVs isolated from Cronobacter sakazakii, Cronobacter turicensis, and Cronobacter malonaticus were examined by electron microscopy (EM) and their associated outer membrane proteins (OMP) and genes were analyzed by SDS-PAGE, protein sequencing, BLAST, PCR, and DNA ... Read more >>

Front Microbiol (Frontiers in microbiology)
[2017, 8:134]

Cited: 5 times

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Draft Genome Sequences of Enterotoxigenic Bacillus cereus Strains Obtained from Powdered Infant Formula.

Laurenda Carter, Hannah R Chase, Hyerim Choi, SoYoung Jun, JiHyeon Park, Seungeun Jeong, MiJeong Kim, KyuYoung Han, ChaeYoon Lee, HyeJin Jeong, Samantha Finkelstein, Flavia Negrete, Hediye N Cinar, Ben D Tall, Gopal R Gopinath,

We introduce the draft genome sequences of five enterotoxigenic Bacillus cereus strains: Bc 12, Bc 67, Bc 111, Bc 112, and Bc 113, which were obtained from powdered infant formula. The genome sizes of the strains ranged from 5.5 to 5.8 Mb, and the G+C contents were ~35.2%. ... Read more >>

Genome Announc (Genome announcements)
[2017, 5(8):]

Cited: 0 times

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Diverse profiles of N-acyl-homoserine lactones in biofilm forming isolates of Cronobacter sakazakii.

Ben D Tall, Hannah R Chase, Gopal R Gopinath,

Virulence (Virulence)
[2017, 8(3):246-247]

Cited: 1 time

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Genome Sequence of Cronobacter sakazakii Serogroup O:4, Sequence Type 4 Strain CDC 2009-03746, Isolated from a Fatal Case of Infantile Meningitis.

Christopher J Grim, Gopal R Gopinath, Karen G Jarvis, Venugopal Sathyamoorthy, Larissa H Trach, Hannah R Chase, Ben D Tall,

We report the draft genome sequence of a Cronobacter sakazakii serogroup O:4, sequence type 4 strain, CDC 2009-03746 (=NM1240=2009-06-01), isolated from a fatal case of infantile meningitis. The draft genome has a size of 4,492,904 bp and a G+C% content of 56.7. ... Read more >>

Genome Announc (Genome announcements)
[2015, 3(3):]

Cited: 2 times

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Development of a Custom-Designed, Pan Genomic DNA Microarray to Characterize Strain-Level Diversity among Cronobacter spp.

Ben Davies Tall, Jayanthi Gangiredla, Gopal R Gopinath, Qiongqiong Yan, Hannah R Chase, Boram Lee, Seongeun Hwang, Larisa Trach, Eunbi Park, YeonJoo Yoo, TaeJung Chung, Scott A Jackson, Isha R Patel, Venugopal Sathyamoorthy, Monica Pava-Ripoll, Michael L Kotewicz, Laurenda Carter, Carol Iversen, Franco Pagotto, Roger Stephan, Angelika Lehner, Séamus Fanning, Christopher J Grim,

Cronobacter species cause infections in all age groups; however neonates are at highest risk and remain the most susceptible age group for life-threatening invasive disease. The genus contains seven species:Cronobacter sakazakii, Cronobacter malonaticus, Cronobacter turicensis, Cronobacter muytjensii, Cronobacter dublinensis, Cronobacter universalis, and Cronobacter condimenti. Despite an abundance of published genomes ... Read more >>

Front Pediatr (Frontiers in pediatrics)
[2015, 3:36]

Cited: 9 times

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A proposed harmonized LPS molecular-subtyping scheme for Cronobacter species.

Qiongqiong Yan, Karen G Jarvis, Hannah R Chase, Karine Hébert, Larisa H Trach, Chloe Lee, Jennifer Sadowski, Boram Lee, Seongeun Hwang, Venugopal Sathyamoorthy, Niall Mullane, Monica Pava-Ripoll, Carol Iversen, Franco Pagotto, Séamus Fanning, Ben D Tall,

Cronobacter are opportunistic pathogens, which cause infections in all age groups. To aid the characterization of Cronobacter in foods and environments a harmonized LPS identification scheme for molecular serotyping is needed. To this end, we studied 409 Cronobacter isolates representing the seven Cronobacter species using two previously reported molecular serotyping ... Read more >>

Food Microbiol. (Food microbiology)
[2015, 50:38-43]

Cited: 6 times

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Re-examination of the taxonomic status of Enterobacter helveticus, Enterobacter pulveris and Enterobacter turicensis as members of the genus Cronobacter and their reclassification in the genera Franconibacter gen. nov. and Siccibacter gen. nov. as Franconibacter helveticus comb. nov., Franconibacter pulveris comb. nov. and Siccibacter turicensis comb. nov., respectively.

Roger Stephan, Christopher J Grim, Gopal R Gopinath, Mark K Mammel, Venugopal Sathyamoorthy, Larisa H Trach, Hannah R Chase, Séamus Fanning, Ben D Tall,

Recently, a taxonomical re-evaluation of the genus Enterobacter, based on multi-locus sequence typing (MLST) analysis, has led to the proposal that the species Enterobacter pulveris, Enterobacter helveticus and Enterobacter turicensis should be reclassified as novel species of the genus Cronobacter. In the present work, new genome-scale analyses, including average nucleotide ... Read more >>

Int. J. Syst. Evol. Microbiol. (International journal of systematic and evolutionary microbiology)
[2014, 64(Pt 10):3402-3410]

Cited: 46 times

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Genome Sequence of Enterobacter turicensis Strain 610/05 (LMG 23731), Isolated from Fruit Powder.

Roger Stephan, Christopher J Grim, Gopal R Gopinath, Mark K Mammel, Venugopal Sathyamoorthy, Larisa H Trach, Hannah R Chase, Séamus Fanning, Ben D Tall,

We report the draft genome sequence of Enterobacter turicensis strain 610/05 (LMG 23731), isolated from fruit powder. The draft genome has a size of 4,182,790 bp and a G+C% content of 58.0. ... Read more >>

Genome Announc (Genome announcements)
[2013, 1(6):]

Cited: 2 times

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Genome Sequence of an Enterobacter helveticus Strain, 1159/04 (LMG 23733), Isolated from Fruit Powder.

Christopher J Grim, Gopal R Gopinath, Mark K Mammel, Venugopal Sathyamoorthy, Larisa H Trach, Hannah R Chase, Ben D Tall, Séamus Fanning, Roger Stephan,

We report the draft genome sequence of Enterobacter helveticus strain LMG 23733, isolated from fruit powder. The draft genome assembly for E. helveticus strain LMG 23733 has a size of 4,635,476 bp and a G+C content of 55.9%. ... Read more >>

Genome Announc (Genome announcements)
[2013, 1(6):]

Cited: 2 times

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Genome Sequences of Two Enterobacter pulveris Strains, 601/05T (=LMG 24057T =DSM 19144T) and 1160/04 (=LMG 24058 =DSM 19146), Isolated from Fruit Powder.

Gopal R Gopinath, Christopher J Grim, Ben D Tall, Mark K Mammel, Venugopal Sathyamoorthy, Larisa H Trach, Hannah R Chase, Séamus Fanning, Roger Stephan,

We report the draft genome sequences of the Enterobacter pulveris strains 601/05(T) (=LMG24057(T) =DSM19144(T)) and 1160/04 (=LMG24058 =DSM19146), isolated from fruit powder. The genome assemblies for the E. pulveris type strain, LMG24057, and strain LMG24058 have sizes of 4,708,624 and 4,811,103 bp and G+C contents of 56.6% and 56.5%, respectively. ... Read more >>

Genome Announc (Genome announcements)
[2013, 1(6):]

Cited: 2 times

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