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Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
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The human genome is over 99.9% identical between individuals, yet genetic differences exist at millions of bases. The human genome contains approximately 3 million variant positions per individual, many of which are heterozygous, contributing to genetic diversity and individual traits. Genetic variations include single-nucleotide polymorphisms (SNPs), insertions, deletions, and copy number variations (CNVs).SNPs, the most common variation, involve single-base changes in DNA. These can be...
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Cytochrome P450 (CYP450) enzymes are a superfamily of heme-containing monooxygenases that play a pivotal role in Phase I drug metabolism by catalyzing oxidation and reduction reactions.These enzymes transform lipophilic xenobiotics into more hydrophilic metabolites, facilitating subsequent Phase II conjugation and eventual excretion. The CYP450 family is classified into families (e.g., CYP1–CYP3) and subfamilies (e.g., CYP2A, CYP2C), based on amino acid sequence homology.CYP450 isoenzymes,...
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Updated: May 10, 2026

Whole Genome Sequencing of Candida glabrata for Detection of Markers of Antifungal Drug Resistance
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Approaches on genetic polymorphism of Cryptococcus species complex.

Meng Li1, Min Chen, Weihua Pan

  • 1Department of Dermatology, Shanghai Key Laboratory of Molecular Mycology & PLA Key Laboratory of Fungal Diseases, ChangZheng Hospital Second Military Medical University, Shanghai, China.

Frontiers in Bioscience (Landmark Edition)
|June 11, 2013
PubMed
Summary

Understanding genetic diversity in Cryptococcus species is vital for combating cryptococcosis. This review explores current genetic polymorphism techniques for these pathogenic yeasts, highlighting areas for future research.

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Published on: March 19, 2015

Area of Science:

  • Medical Mycology
  • Genetics
  • Infectious Diseases

Background:

  • Cryptococcus species complex causes over 1 million annual cryptococcosis cases globally.
  • Understanding genetic polymorphism is key to addressing the spread and pathogenicity of these fungi.
  • Existing methods have advanced our knowledge of Cryptococcus genetic diversity.

Purpose of the Study:

  • To review and synthesize current techniques for studying genetic polymorphism in the Cryptococcus species complex.
  • To identify gaps and challenges in existing methodologies.
  • To provide a foundation for future research strategies.

Main Methods:

  • Review of existing literature on Cryptococcus genetic polymorphism studies.
  • Synthesis of various techniques including serotyping, PCR fingerprinting, AFLP, DNA sequencing, and MALDI-TOF MS.
  • Critical analysis of the strengths and limitations of each method.

Main Results:

  • Multiple techniques like DNA sequencing and MALDI-TOF MS have enhanced understanding of Cryptococcus genetic diversity.
  • No single method is sufficient for comprehensive analysis.
  • Challenges remain in fully elucidating population structures and pathogenicity factors.

Conclusions:

  • A comprehensive understanding of Cryptococcus genetic polymorphism is essential for effective disease control.
  • Further development and integration of genetic techniques are needed.
  • Future research should focus on addressing current methodological limitations to better understand cryptococcal epidemiology and virulence.