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DNA barcoding to map the microbial communities: current advances and future directions.

Chiranjib Chakraborty1, C George Priya Doss, Bidhan C Patra

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Summary

DNA barcoding offers rapid, accurate microbial identification, enhancing biodiversity studies and disease research. This review evaluates microbial barcoding initiatives, trends, and challenges for bacteria, viruses, fungi, and more.

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Area of Science:

  • Microbiology
  • Molecular Biology
  • Bioinformatics

Background:

  • The last two decades have seen a dramatic increase in DNA barcode development for microbial communities.
  • DNA barcoding facilitates error-free and rapid species identification, crucial for understanding microbial biodiversity and associated diseases.

Purpose of the Study:

  • To evaluate current DNA barcoding initiatives for microbial communities.
  • To explore emerging trends, applications, and challenges in microbial DNA barcoding.
  • To review the status of DNA barcoding for diverse microbial groups, including bacteria, viruses, fungi, and protozoa.

Main Methods:

  • Description of DNA marker-based DNA barcoding system development.
  • Comparison of routine species identification methods with DNA barcoding.
  • Analysis of molecular diversity and barcoding for viruses.

Main Results:

  • Demonstration of the current status and development of DNA barcodes for bacteria, algae, fungi, and protozoa.
  • Discussion on the molecular diversity and barcoding specific to viruses.
  • Comparative analysis highlighting the advantages of DNA barcoding over traditional identification methods.

Conclusions:

  • Microbial DNA barcoding holds significant promise for advancing microbial ecology and diagnostics.
  • Key limitations and challenges in current microbial barcode development require further investigation.
  • Future research should focus on refining protocols and expanding barcode databases for comprehensive microbial community analysis.