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John D. Helmann

Active 1987–2025

139
Papers
22,319
Citations
94
h-index
137
i10-index

Citations

Citations per year for John D. Helmann1988: 7 citations1989: 52 citations1990: 46 citations1991: 48 citations1992: 62 citations1993: 38 citations1994: 54 citations1995: 44 citations1996: 47 citations1997: 45 citations1998: 69 citations1999: 97 citations2000: 101 citations2001: 125 citations2002: 203 citations2003: 225 citations2004: 184 citations2005: 174 citations2006: 249 citations2007: 248 citations2008: 265 citations2009: 238 citations2010: 209 citations2011: 225 citations2012: 227 citations2013: 174 citations2014: 226 citations2015: 208 citations2016: 175 citations2017: 228 citations2018: 115 citations2019: 570 citations2020: 594 citations2021: 529 citations2022: 371 citations2023: 281 citations2024: 486 citations2025: 199 citations2026: 1 citations

Citation sources

Countries

World map of the countries and regions citing this authorUnited States: 1,961 citing papers, 33.2% of this breakdownGermany: 524 citing papers, 8.9% of this breakdownChina: 502 citing papers, 8.5% of this breakdownUnited Kingdom: 420 citing papers, 7.1% of this breakdownFrance: 325 citing papers, 5.5% of this breakdownCanada: 175 citing papers, 3% of this breakdownJapan: 154 citing papers, 2.6% of this breakdownNetherlands: 126 citing papers, 2.1% of this breakdownIndia: 119 citing papers, 2% of this breakdownSpain: 117 citing papers, 2% of this breakdownAustralia: 116 citing papers, 2% of this breakdownItaly: 96 citing papers, 1.6% of this breakdown
0%33.2%Other 21.5%

Institutions

Fields

  • Biochemistry, Genetics and Molecular Biology54.3%
  • Medicine14.3%
  • Nursing7.6%
  • Agricultural and Biological Sciences7.5%
  • Environmental Science5.7%
  • Immunology and Microbiology4.2%
  • Other6.4%

Topics

  • Bacterial Genetics and Biotechnology11.9%
  • RNA and protein synthesis mechanisms5.1%
  • Bacteriophages and microbial interactions4.9%
  • Bacterial biofilms and quorum sensing4.1%
  • Trace Elements in Health3.8%
  • Genomics and Phylogenetic Studies2.7%
  • Other67.5%

Coauthors

All papers

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  1. Metal homeostasis and resistance in bacteria

    Authors: Pete Chandrangsu, Christopher Rensing, John D. Helmann - Nature Reviews Microbiology 2017 cited by 796

  2. Mini Review: Bacterial Membrane Composition and Its Modulation in Response to Stress

    Authors: Jessica R. Willdigg, John D. Helmann - Frontiers in Molecular Biosciences 2021 cited by 136

  3. Antagonism of Two Plant-Growth Promoting Bacillus velezensis Isolates Against Ralstonia solanacearum and Fusarium oxysporum

    Authors: Yu Cao, Hualiang Pi, Pete Chandrangsu, Yongtao Li, Yuqi Wang, Han Zhou, Hanqin Xiong, John D. Helmann, Yanfei Cai - Scientific Reports 2018 cited by 365

  4. Thiol-Based Redox Switches and Gene Regulation

    Authors: Haike Antelmann, John D. Helmann - Antioxidants and Redox Signaling 2010 cited by 377

  5. Stimulus Perception in Bacterial Signal-Transducing Histidine Kinases

    Authors: Thorsten Mascher, John D. Helmann, Gottfried Unden - Microbiology and Molecular Biology Reviews 2006 cited by 707

  6. The sigma70 family of sigma factors.

    Authors: Mark S. B. Paget, John D. Helmann - Genome Biology 2003 cited by 524

  7. Antibiotic-Inducible Promoter Regulated by the Cell Envelope Stress-Sensing Two-Component System LiaRS of Bacillus subtilis

    Authors: Thorsten Mascher, Sara L. Zimmer, Terry-Ann Smith, John D. Helmann - Antimicrobial Agents and Chemotherapy 2004 cited by 280

  8. Analysis of the role ofBacillus subtilisσMin β‐lactam resistance reveals an essential role for c‐di‐AMP in peptidoglycan homeostasis

    Authors: Yun Luo, John D. Helmann - Molecular Microbiology 2011 cited by 253

  9. Reduction in Membrane Phosphatidylglycerol Content Leads to Daptomycin Resistance in Bacillus subtilis

    Authors: Anna‐Barbara Hachmann, Elif Sevi̇m, Ahmed Gaballa, David L. Popham, Haike Antelmann, John D. Helmann - Antimicrobial Agents and Chemotherapy 2011 cited by 147

  10. The PerR transcription factor senses H2O2 by metal-catalysed histidine oxidation

    Authors: Jin‐Won Lee, John D. Helmann - Nature 2006 cited by 544

  11. Functional specialization within the Fur family of metalloregulators

    Authors: Jin‐Won Lee, John D. Helmann - BioMetals 2007 cited by 431

  12. Elemental Economy

    Authors: Sabeeha Merchant, John D. Helmann - Advances in microbial physiology/Advances in Microbial Physiology 2012 cited by 244

  13. Redox Sensing by Fe 2+ in Bacterial Fur Family Metalloregulators

    Authors: Azul Pinochet‐Barros, John D. Helmann - Antioxidants and Redox Signaling 2017 cited by 84

  14. Mutations in rpoB That Confer Rifampicin Resistance Can Alter Levels of Peptidoglycan Precursors and Affect β-Lactam Susceptibility

    Authors: Yesha Patel, Vijay Soni, Kyu Y. Rhee, John D. Helmann - mBio 2023 cited by 49

  15. The Bacillus subtilis iron-sparing response is mediated by a Fur-regulated small RNA and three small, basic proteins

    Authors: Ahmed Gaballa, Haike Antelmann, Claudio Aguilar, Sukhjit K. Khakh, Kyung-Bok Song, Gregory T. Smaldone, John D. Helmann - National Academy of Sciences, Proceedings of the National Academy of Sciences 2008 cited by 228

  16. The elements of life: A biocentric tour of the periodic table

    Authors: Kaleigh A. Remick, John D. Helmann - Advances in microbial physiology/Advances in Microbial Physiology 2023 cited by 67

  17. Meddling with Metal Sensors: Fur-Family Proteins as Signaling Hubs

    Authors: Caroline H. Steingard, John D. Helmann - Journal of Bacteriology 2023 cited by 52

  18. Ferrous iron efflux systems in bacteria

    Authors: Hualiang Pi, John D. Helmann - Metallomics 2017 cited by 95

  19. Bacillus subtilis FolE is sustained by the ZagA zinc metallochaperone and the alarmone ZTP under conditions of zinc deficiency

    Authors: Pete Chandrangsu, Xiaojuan Huang, Ahmed Gaballa, John D. Helmann - Molecular Microbiology 2019 cited by 77

  20. Regulation of LiaRS-Dependent Gene Expression inBacillus subtilis: Identification of Inhibitor Proteins, Regulator Binding Sites, and Target Genes of a Conserved Cell Envelope Stress-Sensing Two-Component System

    Authors: Sina Jordan, Anja Junker, John D. Helmann, Thorsten Mascher - Journal of Bacteriology 2006 cited by 216

  21. Role of the Fur Regulon in Iron Transport in Bacillus subtilis

    Authors: Juliane Ollinger, Kyung-Bok Song, Haike Antelmann, Michael Hecker, John D. Helmann - Journal of Bacteriology 2006 cited by 216

  22. Bacillus subtilis extracytoplasmic function (ECF) sigma factors and defense of the cell envelope

    Authors: John D. Helmann - Current Opinion in Microbiology 2016 cited by 140

  23. The Role of Bacillithiol in Gram-Positive Firmicutes

    Authors: Pete Chandrangsu, Vu Van Loi, Haike Antelmann, John D. Helmann - Antioxidants and Redox Signaling 2017 cited by 120

  24. Molecular logic of the Zur-regulated zinc deprivation response in Bacillus subtilis

    Authors: Jung‐Ho Shin, John D. Helmann - Nature Communications 2016 cited by 92