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Does MPK4/12-HT1 function as a CO2/bicarbonate sensor to regulate the stomatal conductance under high CO2 levels?

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Abstract

Key message

Recently, a HT1 protein has been identified which causes continuous opening of stomata because of its kinase activity. However, reversible interaction between MAP4/12 and HT1 protein acts as a CO2/bicarbonate sensor and causes the closing of stomata by inhibiting HT1 kinase activity.

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Authors and Affiliations

  1. Plant Physiology Laboratory, Department of Botany, C.M.P. Degree College, A Constituent Post Graduate College of University of Allahabad, Prayagraj, 211002, India

    Priya Gahlowt & Vijay Pratap Singh

  2. Crop Nanobiology and Molecular Stress Physiology Lab Amity, Institute of Organic Agriculture, Amity University Uttar Pradesh, Sector-125, Noida, 201313, India

    Durgesh Kumar Tripathi

  3. Department of Botany, S.N. Sen B.V. Post Graduate College, Chhatrapati Shahu Ji Maharaj University, Kanpur, 208001, India

    Samiksha Singh

  4. College of General Education, Kookmin University, Seoul, 02707, South Korea

    Ravi Gupta

Authors
  1. Priya Gahlowt
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  2. Durgesh Kumar Tripathi
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  3. Samiksha Singh
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  4. Ravi Gupta
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  5. Vijay Pratap Singh
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Contributions

VPS conceptualized article. PG prepared the first draft of the manuscript. DKT, SS, RG, and VPS edited and finalized the manuscript.

Corresponding authors

Correspondence to Ravi Gupta or Vijay Pratap Singh.

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The authors declare that no funds, grants, or other support were received during the preparation of this manuscript. Further, authors declare that they have no conflict of interest.

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Communicated by Neal Stewart.

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Gahlowt, P., Tripathi, D.K., Singh, S. et al. Does MPK4/12-HT1 function as a CO2/bicarbonate sensor to regulate the stomatal conductance under high CO2 levels?. Plant Cell Rep 42, 2043–2045 (2023). https://doi.org/10.1007/s00299-023-03077-8

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  • DOI: https://doi.org/10.1007/s00299-023-03077-8

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