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Related Concept Videos

Bacterial Phylum Cyanobacteria01:30

Bacterial Phylum Cyanobacteria

Cyanobacteria are a diverse group of oxygenic, phototrophic bacteria that played a pivotal role in converting Earth’s atmosphere from anoxic to oxygen-rich billions of years ago. They exhibit remarkable morphological diversity, ranging from unicellular forms to filamentous types, with cell sizes varying between 0.5 μm and 100 μm. Cyanobacteria are classified into five groups: Chroococcales (unicellular, dividing by binary fission), Pleurocapsales (unicellular, dividing by multiple fission),...
Evolution of Microbial Genome01:08

Evolution of Microbial Genome

Microbial genome evolution is a highly dynamic process shaped by continual gene gain and loss across species and strains. This genomic flexibility allows microorganisms to adapt rapidly to environmental pressures and interactions with other organisms. Central to understanding this diversity is the distinction between the core and pan genomes.The core genome comprises the genes shared by all sampled strains of a species, representing essential functions needed for fundamental cellular processes.
Genomics02:02

Genomics

Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
Genomic DNA in Prokaryotes00:46

Genomic DNA in Prokaryotes

The genome of most prokaryotic organisms consists of double-stranded DNA organized into one circular chromosome in a region of cytoplasm called the nucleoid. The chromosome is tightly wound, or supercoiled, for efficient storage. Prokaryotes also contain other circular pieces of DNA called plasmids. These plasmids are smaller than the chromosome and often carry genes that confer adaptive functions, such as antibiotic resistance.
Genomic Diversity in Bacteria
Although bacterial genomes are much...
Modern Molecular Taxonomy01:29

Modern Molecular Taxonomy

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...
Genome Size and the Evolution of New Genes03:21

Genome Size and the Evolution of New Genes

While every living organism has a genome of some kind (be it RNA, or DNA), there is considerable variation in the sizes of these blueprints. One major factor that impacts genome size is whether the organism is prokaryotic or eukaryotic. In prokaryotes, the genome contains little to no non-coding sequence, such that genes are tightly clustered in groups or operons sequentially along the chromosome. Conversely, the genes in eukaryotes are punctuated by long stretches of non-coding sequence.

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Genetic Modification of Cyanobacteria by Conjugation Using the CyanoGate Modular Cloning Toolkit
08:25

Genetic Modification of Cyanobacteria by Conjugation Using the CyanoGate Modular Cloning Toolkit

Published on: October 31, 2019

An insight into cyanobacterial genomics--a perspective.

Palaniswamy Thanga Velan Lakshmi1

  • 1Phytomatics Laboratory, Department of Bioinformatics, Bharathiar University, Coimbatore 641 046. lakshmiptv@yahoo.co.in

Bioinformation
|December 18, 2007
PubMed
Summary

This review highlights the potential of post-genomic research and computational analyses to advance cyanobacterial informatics. It aims to fill knowledge gaps and encourage further research in this vital field.

Keywords:
bioinformaticscyanobacteriadatabasesgenomicsphylogeny

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Area of Science:

  • Microbiology
  • Bioinformatics
  • Genomics

Background:

  • Cyanobacteria are crucial microorganisms with significant ecological and biotechnological relevance.
  • Limited information exists regarding cyanobacterial systems, hindering comprehensive understanding.
  • Post-genomic research offers powerful tools for systematic biological studies.

Purpose of the Study:

  • To review the current understanding and future prospects of cyanobacteria.
  • To emphasize the role of post-genomic approaches in cyanobacterial research.
  • To highlight the field of cyanobacterial informatics and stimulate further investigation.

Main Methods:

  • Exploiting genomic and proteomic information.
  • Utilizing computational analyses for data extrapolation.
  • Integrating data from functional genomics, transcriptomics, and metabolomics.

Main Results:

  • Post-genomic research provides a systematic approach to studying biological systems.
  • Computational analyses can extrapolate fledging information from biotechnological analyses.
  • This approach can significantly fill the lacuna of scarce information on cyanobacteria.

Conclusions:

  • Cyanobacterial informatics is a promising field for future research.
  • Genomic and computational strategies are essential for advancing cyanobacterial knowledge.
  • Further research is needed to fully exploit the potential of cyanobacteria.