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Articles by Hazir Rehman
Total Records ( 2 ) for Hazir Rehman
  Khushi Muhammad , Azra Yasmin , Hazir Rehman , Muhammad Faisal and Shahida Hasnain
  Twenty-four bacterial strains were isolated from rhizosphere and histoplane of four different arid plants, Trianthema partulacastrum, Rumex dentatus, Chenopodium morale and Coronopus didymus. These bacteria were inoculated to seeds of Vigna radiata var NM-92 which were germinated and grown for 15 days. Majority of strains had inhibitory effect on seed germination (2.2 to 13.0%). The increase in seedling length ranged from 17 to 38% with different inoculations. Bacterial strains TP1, TP3, TP4, RTP4 and RRD1 were the most effective ones for the different growth parameters such as seed length and seed weight whereas the most adverse effects were recorded with the inoculation of TP17 strain. Maximum increase in protein and auxin content was observed with strains TP5 and RCM2, respectively. Peroxidase and acid phosphatase showed maximum activity with the inoculation of strain TP1.
  Saira Anwar , Anjum Nasim Sabri , Hazir Rehman , Muhammad Faisal and Shahida Hasnain
  Effects of temperatures (37 and 45°C) in combination with varying pH (6, 7, 8 and 9) after 24 and 96 h of incubation were studied on soluble protein content and protein profile of PY79 (wild type) and sporulation defective mutant strains (5, 19, 96 and 99) of Bacillus strains. These strains were isolated from local polluted environments around Lahore, Pakistan. Soluble protein content is more in PY79 as compared to the defective sporulating mutant strains (5, 19, 96 and 99). In strain 5, it appeared that polypeptides of 55-59 kDa (pH 6, 7 and 8), 50-54 kDa (pH 6, 7 and 8), 45-49 kDa (pH 8), 20-24 kDa (pH 7) and 10-14 kDa (pH 8) were the heat stress proteins. While in strain 99, at high temperature different stress proteins appeared especially at pH 6 (30-34, 25-29 kDa), pH 7 (25-29 kDa), pH 8 (50-54, 30-34 kDa) and at pH 9 (45-49, 30-34, 20-24 kDa). At temperature 37°C, the polypeptides of 55-59 kDa at pH 6, 7 and 9 were observed which disappeared at high temperature.
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