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Sains Malaysiana 45(2)(2016): 167–176
Phytoaccumulation of Heavy Metals and Protein Expression by Different Vegetables Collected from Various Parts of Khyber Pukhtunkhawa Province, Pakistan (Fitoakumulasi Logam Berat dan Ekspresi Protein oleh Sayuran
Berbeza Diperoleh dari Bahagian Berbeza di Wilayah Khyber Pukhtunkhawa, Pakistan)
Jehan
Bakht*1 & Laleena Khan1 & Mohammad Shafi2
1Institute of Biotechnology and Genetic Engineering, The University
of Agriculture Peshawar KPK,
Pakistan
2Department of Agronomy, The University of Agriculture Peshawar KPK,
Pakistan
Received: 10 October 2014/Accepted:
6 August 2015
ABSTRACT
The present study investigates heavy metal
uptake and protein expression by different vegetables collected from various
districts of Khyber Pakhtunkhawa province of Pakistan. Statistical analysis of
the data showed that maximum concentration of Cd, Cr, Ni, Zn were found in
radish and spinach, respectively, collected from Peshawar. Maximum Pb and Mg
accumulation were found in cauliflower and pea at Swat followed by coriander at
Haripur and minimum Pb uptake was noticed in radish taken from Nowshehra.
Highest Cu uptake was detected in spinach at Nowshehra. Data regarding Cd, Cr,
Pb, Cu, Ni, Mg and Zn concentration in water samples gathered from different
sites of KPK indicated that maximum concentration of Cd was
observed in Swat. Maximum Cr and Cu concentration were measured in water
samples from Peshawar while maximum concentration of Pb and Ni were detected in
water samples from Haripur. In case of soil samples, maximum Cd, Cr, Mg and Zn
uptake was observed in soil sample at Nowshehra. Maximum Pb and Ni
concentration was found in soil samples collected from Peshawar. Cu
concentration was observed to be the highest in soil at Swat. Protein profile
of different vegetables i.e. cauliflower, radish, carrot, turnip, pea, spinach,
coriander and garlic sampled across five different sites showed that uptake of
Cd, Cr, Pb, Cu, Ni, Mg and Zn by these vegetables caused the expression of
numerous polypeptides.
Keywords: Heavy metals; protein expression;
vegetables; WHO
ABSTRAK
Penyelidikan ini mengkaji penyerapan logam berat
dan ekspresi protein oleh sayuran berbeza yang diperoleh dari pelbagai daerah
di wilayah Khyber Pakhtunkhawa, Pakistan. Analisis statistik data menunjukkan
bahawa kepekatan maksimum Cd, Cr Ni, Zn dilihat pada lobak dan bayam yang
masing-masing diperoleh dari Peshawar. Pengumpulan maksimum Pb dan Mg dilihat
pada kubis bunga dan kacang pea di Swat diikuti ketumbar di Haripur dan
penyerapan minimum Pb dilihat pada lobak yang diambil dari Nowshehra.
Penyerapan tertinggi Cu dikesan dalam bayam di Nowshehra. Data kepekatan Cd,
Cr, Pb, Cu, Ni, Mg dan Zn dalam sampel air diambil dari tapak berbeza di KPK menunjukkan
bahawa kepekatan maksimum Cd diperhatikan di Swat. Kepekatan maksimum Cr dan Cu
diukur dalam sampel air dari Peshawar manakala kepekatan maksimum Pb dan Ni
telah dikesan dalam sampel air dari Haripur. Dalam kes sampel tanah, penyerapan
maksimum Cd, Cr, Mg dan Zn diperhatikan dalam sampel tanah di Nowshehra.
Kepekatan maksimum Pb dan Ni diperoleh daripada sampel tanah yang dikumpul dari
Peshawar. Kepekatan Cu diperhatikan tertinggi di Swat. Sampel profil protein
sayuran berbeza seperti kubis bunga, lobak, lobak merah, turnip, kacang pea,
bayam, ketumbar dan bawang putih dari lima tapak berbeza menunjukkan bahawa
penyerapan Cd, Cr, Pb, Cu, Ni, Mg dan Zn oleh sayuran ini menyebabkan ekpresi
pelbagai polipeptides.
Kata kunci: Ekpresi protein; logam berat; sayuran; WHO
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*Corresponding author; email: jehanbakht@yahoo.co.uk
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