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Proline Accumulation in Plants: Roles in Stress Tolerance and Plant Development

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Osmolytes and Plants Acclimation to Changing Environment: Emerging Omics Technologies

Abstract

Proline accumulation occurs in a wide range of plant species in response to various kinds of environmental stresses. A large body of evidence suggests that a positive correlation occurs between proline accumulation and plant stress tolerance. In this chapter, we will discuss the metabolism of proline accumulation and its role in stress tolerance in plants. Existing literature indicates that despite acting as an osmolyte, proline also plays important roles during stress as a metal chelator and an antioxidative defence molecule. Moreover, when applied exogenously at low concentrations, proline enhanced stress tolerance in plants. However, some reports point out adverse effects of proline when applied at higher doses. Role of proline in seed germination, flowering and other developmental programmes is also presented in this chapter.

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Authors and Affiliations

  1. Environmental Botany Section, Department of Botany, Aligarh Muslim University, Aligarh, UP, 202002, India

    Mudasir Irfan Dar, Mohd Irfan Naikoo & Fareed Ahmad Khan

  2. Department of Botany, Faculty of Science, Mohammad Ali Jauhar University, Rampur, UP, 24490, India

    Farha Rehman

  3. Department of Botany, Women’s College, Aligarh Muslim University, Aligarh, UP, 202002, India

    Fauzia Naushin

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  1. Mudasir Irfan Dar
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  2. Mohd Irfan Naikoo
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  3. Farha Rehman
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  4. Fauzia Naushin
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  5. Fareed Ahmad Khan
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Correspondence to Mudasir Irfan Dar .

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  1. Department of Botany, Jamia Hamdard University, New Delhi, Delhi, India

    Noushina Iqbal

  2. Department of Botany, Jamia Hamdard University, New Delhi, Delhi, India

    Rahat Nazar

  3. Department of Botany, Aligarh Muslim University, Aligarh, Uttar Pradesh, India

    Nafees A. Khan

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Dar, M.I., Naikoo, M.I., Rehman, F., Naushin, F., Khan, F.A. (2016). Proline Accumulation in Plants: Roles in Stress Tolerance and Plant Development. In: Iqbal, N., Nazar, R., A. Khan, N. (eds) Osmolytes and Plants Acclimation to Changing Environment: Emerging Omics Technologies. Springer, New Delhi. https://doi.org/10.1007/978-81-322-2616-1_9

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