Tyrosine-priming modulates phenylpropanoid pathway in maize grown under different pH regimes

S. Mahmood; I. Hussain; A. Ashraf; A. Parveen; S. Javed; M. Iqbal; B. Afzal

doi:10.1556/0806.44.2016.055

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Cereal Research Communications

Volume/Issue:: Volume 45: Issue 2

Tyrosine-priming modulates phenylpropanoid pathway in maize grown under different pH regimes

Authors:

S. Mahmood

S. Mahmood Government College University, Faisalabad, Pakistan

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I. Hussain

I. Hussain Government College University, Faisalabad, Pakistan
Graduate School of Life Sciences, Tohoku University, Sendai, Japan

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A. Ashraf

A. Ashraf Government College University, Faisalabad, Pakistan

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A. Parveen

A. Parveen Government College University, Faisalabad, Pakistan

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S. Javed

S. Javed Government College University, Faisalabad, Pakistan

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M. Iqbal

M. Iqbal Government College University, Faisalabad, Pakistan

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B. Afzal

B. Afzal Government College University, Faisalabad, Pakistan

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Pages:: 214–224

Online Publication Date:: Jun 2017

Publication Date:: 01 Jun 2017

Article Category:: Research Article

DOI:: https://doi.org/10.1556/0806.44.2016.055

Keywords:: maize; phenylpropanoid; enzymes; phenolics; pH

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Alkaline and acidic pH of soil limit crop yield. Products of phenylpropanoid pathway play a key part in plant abiotic stress tolerance. It was aimed to assess efficacy of tyrosinepriming for activation of enzyme involved in phenolic accumulation induction of pH tolerance in maize seedlings. Seeds of two maize cultivars, namely Sadaf (pH tolerant) and S-2002 (pH sensitive), were grown under three pH levels (3, 7 and 11). Eight and twelve days old seedlings were harvested and parted into roots and shoots for the assessment of growth, enzymatic and non-enzymatic antioxidants. PAL activity was directly correlated with total soluble phenolics, flavonoids, growth and seedling vigour. Lower accumulation of phenolics and PAL activity in the pH sensitive (S-2002) cultivar indicated greater oxidative damage caused by pH extremes. Priming improved antioxidative potential by enhancing PAL activity and phenolics accumulation and hence increased growth in maize seedlings.

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Cereal Research Communications A Quarterly of the Cereal Research Non-Profit Ltd. Company

Print ISSN:: 0133-3720

Online ISSN:: 1788-9170

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Cereal Research Communications
Language	English
Size	A4
Year of Foundation	1973
Volumes per Year	1
Issues per Year	4
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0133-3720 (Print)
ISSN	1788-9170 (Online)