Full formScience
HGTstands forHorizontal Gene Transfer
Full Form of HGT
What is HGT?
Horizontal Gene Transfer (HGT) is the movement of genetic material between organisms other than through parent-to-offspring (vertical) inheritance. It is a major force in bacterial evolution, allowing the spread of traits such as antibiotic resistance, virulence factors, and metabolic capabilities. In India, HGT is extensively studied in microbiology, biotechnology, and medical research, particularly in the context of rising multidrug-resistant infections in hospitals and agriculture. The process occurs via mechanisms like conjugation (direct cell contact), transformation (uptake of free DNA), and transduction (viral-mediated transfer). HGT is also relevant in genetic engineering, where it enables the creation of recombinant DNA. For Indian students, HGT is a key topic in NEET UG, CSIR NET Life Sciences, and ICAR exams. Understanding HGT helps explain how bacteria adapt rapidly, why misuse of antibiotics in India contributes to resistance, and how scientists use HGT for producing insulin or vaccines. It underscores the dynamic nature of genomes beyond Mendelian inheritance.
HGT का फुल फॉर्म
क्षैतिज जीन हस्तांतरण
Example
Indian researchers studying E. coli in Ganga water samples found evidence of HGT, indicating a reservoir of antibiotic resistance genes in the environment.
HGT — frequently asked questions
What is the full form of HGT?
HGT stands for Horizontal Gene Transfer, the process by which organisms acquire genetic material from another organism without being its offspring.
How does Horizontal Gene Transfer differ from vertical gene transfer?
Vertical gene transfer passes DNA from parent to child, while horizontal gene transfer transfers genes between unrelated individuals, often across species, common in bacteria.
Why is HGT important in antibiotic resistance in India?
HGT rapidly spreads antibiotic resistance genes among bacteria, contributing to the rise of superbugs in Indian hospitals and farms, making infections harder to treat.