Microbial phytase activity and their role in organic P mineralization

Muhammad Azeem, Adnan Riaz, Arshad Nawaz Chaudhary, Rifat Hayat, Qaiser Hussain, Muhammad Ibrahim Tahir, Muhammad Imran

Research output: Contribution to journalReview articlepeer-review

59 Scopus citations


Plants respond to their external environment to optimize their nutrition and production potential to minimize the food security issues and support sustainable agriculture system. Phosphorus (P) is an important nutrient for plants and is involved in plant metabolic processes. It is mostly available as orthophosphate and has a tendency to form complexes with cations. It has low mobility in soil, thus becoming unavailable for plant uptake that causes a reduction in plant growth and yield. Besides free P, phytate is the major form of organic P in soil and plant tissues. Phytases obtained from different sources, that is, plants, animals, and microorganisms, catalyze the hydrolysis of phytate and release available forms of inorganic P. The knowledge of mechanisms involved in catalytic activity of phytase obtained from microorganisms in soil is limited. This review summarizes the role of microbial phytase in releasing organic P by hydrolysis of phytate and factors affecting its activity in the soil.

Original languageEnglish (US)
Pages (from-to)751-766
Number of pages16
JournalArchives of Agronomy and Soil Science
Issue number6
StatePublished - Jun 3 2015
Externally publishedYes

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© 2014, © 2014 Taylor & Francis.


  • microorganisms
  • organic P
  • phytase


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