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<p>The risk associated with genetically modified (GM) plants has sparked considerable debate. This study assesses the influence of transgenic <i>phosphofructokinase</i> overexpressing potatoes (<i>pfkB-</i>potato) on the soils of three major potato-growing Pakistani districts, by studying effects on the soil properties, enzymatic activities, and microbial abundance. There were no significant differences in soil properties or major/minor nutrients between GM and wild potatoes. The nitrogen content of transgenic potato plants in Sahiwal soil increased by 5.7% at all stages. At the flowering stage, 6–7% more available phosphorus in wild-type potato was noted in Mansehra and Sahiwal soils. Dehydrogenase, alkaline phosphatase, and urease activities peaked at flowering, while were lowest at harvest stage. Actinobacteria (86.06%), Proteobacteria (10.37%), and Firmicutes (3.57%) were the most abundant phyla. Potato cultivation, regardless of wild-type or transgenic, increased the Firmicutes bacteria abundance, compared to non-vegetative soil. In conclusion, cultivating <i>pfkB-</i>potato can only slightly alter soil enzymes/properties, albeit not significantly.</p>

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Physicochemical, Enzymatic, and Microbial Responses to Phosphofructokinase Overexpressing Transgenic Potato Cultivation: A Pot Experiment

  • 期刊论文

  • 发表日期：

    2025年3月27日

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  • Muhammad Junaid Sadiq Gill,
  • Umer Ali,
  • Aqib Hassan Ali Khan,
  • Ismat Nawaz,
  • Tayyab Ashfaq Butt,
  • Cyrus Raza Mirza,
  • Ameena Iqbal,
  • Arfan Ali,
  • Faiz Ur Rahman,
  • Sohail Yousaf,
  • Mazhar Iqbal

摘要

The risk associated with genetically modified (GM) plants has sparked considerable debate. This study assesses the influence of transgenic phosphofructokinase overexpressing potatoes (pfkB-potato) on the soils of three major potato-growing Pakistani districts, by studying effects on the soil properties, enzymatic activities, and microbial abundance. There were no significant differences in soil properties or major/minor nutrients between GM and wild potatoes. The nitrogen content of transgenic potato plants in Sahiwal soil increased by 5.7% at all stages. At the flowering stage, 6–7% more available phosphorus in wild-type potato was noted in Mansehra and Sahiwal soils. Dehydrogenase, alkaline phosphatase, and urease activities peaked at flowering, while were lowest at harvest stage. Actinobacteria (86.06%), Proteobacteria (10.37%), and Firmicutes (3.57%) were the most abundant phyla. Potato cultivation, regardless of wild-type or transgenic, increased the Firmicutes bacteria abundance, compared to non-vegetative soil. In conclusion, cultivating pfkB-potato can only slightly alter soil enzymes/properties, albeit not significantly.