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Cell division is the process by which a parent cell divides into two or more daughter cells. Cell division usually occurs as part of a larger cell cycle. In eukaryotes, there are two distinct type of cell division: a vegetative division, whereby each daughter cell is genetically identical to the parent cell (mitosis), and a reductive cell division, whereby the number of chromosomes in the daughter cells is reduced by half, to produce haploid gametes (meiosis). Meiosis results in four haploid daughter cells by undergoing one round of DNA replication followed by two divisions: homologous chromosomes are separated in the first division, and sister chromatids are separated in the second division. Both of these cell division cycles are in sexually reproducing organisms at some point in their life cycle, and both are believed to be present in the last eukaryotic common ancestor Prokaryotes also undergo a vegetative cell division known as binary fission, where their genetic material is segregated equally into two daughter cells. All cell divisions, regardless of organism, are preceded by a single round of DNA replication.Cells are classified into two main categories: simple, non-nucleated prokaryotic cells, and complex, nucleated eukaryotic cells. By structural differences, eukaryotic and prokaryotic cells do not divide in the same way. Also, the pattern of cell division that transforms eukaryotic stem cells into gametes (sperm cells in males or ova â€“ egg cells â€“ in females) is different from that of the somatic cell division in the cells of the body.ConferenceSeries through its Open Access Initiative is committed to make genuine and reliable contributions to the scientific community. ConferenceSeries hosts over 400 leading-edge peer reviewed Open Access journals and has organized over 300 scientific conferences all over the world. OMICS Publishing Group journals have over 3 million readers and the fame and success of the same can be attributed to the strong editorial board which contains over 30000 eminent personalities and the rapid, quality and quick review processing. ConferenceSeries Conferences make the perfect platform for global networking as it brings together renowned speakers and scientists across the globe to a most exciting and memorable scientific event filled with much enlightening interactive sessions, world class exhibitions and poster presentations.
Binary fission:Organisms such as bacteria typically have a single chromosome.At the start of the binary fission process, the DNA molecule of the cell's chromosome is replicated, producing two copies of the chromosome. A key aspect of bacterial cell reproduction is making sure that each daughter cell gets a copy of the chromosome. Cytokinesis is the actual physical separation of the two new daughter cells. Cell reproduction that involves mitosis: Most eukaryotic organisms like humans have more than one chromosome. In order to make sure that a copy of each chromosome gets segregated into each daughter cell, the spindle apparatus is used. The chromosomes are moved along the long thin microtubules like trains moving along train tracks. Humans are diploid; we have two copies of each type of chromosome, one from the father and one from the mother. Cell reproduction that involves meiosis: The human sex cells (gametes) are produced by meiosis. For sperm production there are two cytokinesis steps that produce a total of four cells, each with half the normal number of chromosomes. The situation is different in the ovaries for egg production where one of the four sets of chromosomes that is segregated is placed in a large egg cell, ready to be combined with the DNA from a sperm cell. Around two Companies are there which are associated with the cell division research. Conferences/Symposiums/Workshops which are going to held in upcoming year are two in number.
â€œCell cycle: bridging scales in cell divisionâ€ 11th-15th October 2014, Roscoff (Brittany),France
â€¢â€œStem Cell Energeticsâ€ 9th -11th December 2014,USA
Relevant Associations and Societies
Canadian Cancer Society
American Cancer Society
The RNA Society
The International Society for Stem Cell Research
American Society of Gene and Cell Therapy
Major Companies like AG Scientific, Amsbio are involved in the cell research.
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This page was last updated on February 22, 2024