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Diatoms can reproduce in two different modes, sexual and asexual. They also may, but not necessarily, pass through a seed-like phase known as the resting spore.
http://www.mbari.org/%7Econn/botany/diatoms/john/basics...
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Asexual Reproduction in Diatoms ... Instead of shedding the entire cell wall and each daughter cell having to create a brand new one, diatoms give each daughter cell one valve. This is a great strategy because laying down silicon dioxide from seawater is metabolically costly.
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www.mbari.org/staff/conn/botany/phytoplankton/phytoplan...
www.mbari.org/staff/conn/botany/phytoplankton/phytoplankton_diatom_asexual.HTM
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Diatoms reproduce asexually by dividing the frustule in half.
http://wiki.answers.com/Q/How_do_diatoms_reproduce
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Diatoms are unique forms of algae that grow a silica shell that is preserved in underwater sediments after they die. The diatom shell, called a frustule, is different for each species, so you can identify them through a microscope.
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www.stormbefore.com/diatoms.htm
www.stormbefore.com/diatoms.htm
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ABOARD THE RVIB N. B. PALMER, ON THE SOUTHERN OCEAN– As most unicellular phytoplankton algae, diatoms usually reproduce by division. One cell becomes two after mitosis; the two new algae are called “daughter cells”. ... Once in a long while diatoms go through sexual reproduction. After meiosis the new daughter cells have...
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icestories.exploratorium.edu/dispatches/reproduction-in...
icestories.exploratorium.edu/dispatches/reproduction-in-antarctic-diatoms/
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This would be a rather bad state of affairs if diatoms could only reproduce by division! Fortunately, diatoms can also reproduce sexually, producing offspring that secrete a wholly new cell wall from scratch.
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www.ucmp.berkeley.edu/chromista/diatoms/diatomlh.html
www.ucmp.berkeley.edu/chromista/diatoms/diatomlh.html
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Single-celled algae called diatoms could provide the structure for mass-produced nanodevices. ... That part is easy, since diatoms reproduce through cell fission, creating two exact copies of their silica shells. After 40 generations, a single diatom will have multiplied itself into a trillion copies.
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www.technologyreview.com/InfoTech/wtr_14866,294,p1.html
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Biology question: Do diatoms reproduce by fragmentation? Please help us answer this question. ... Answers.com > Wiki Answers > Categories > Science > Biology > Do diatoms reproduce by fragmentation...
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wiki.answers.com/Q/Do_diatoms_reproduce_by_fragmentatio...
wiki.answers.com/Q/Do_diatoms_reproduce_by_fragmentation
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The ability to reproduce sexually is closely associated with cell size. It is the most prevalent method of restoring cell size, and is often triggered when the size of a cell is less than a critical level (usually smaller than half of the original size for most species). ... Sexual reproduction is oogamous in centric diatoms.
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condor.depaul.edu/~diatom/sex2.html
condor.depaul.edu/~diatom/sex2.html
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