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Books > Science & Mathematics > Biology, life sciences > Microbiology (non-medical)
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Uncultivated Microorganisms (Hardcover, 2009 ed.)
Loot Price: R6,332
Discovery Miles 63 320
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Uncultivated Microorganisms (Hardcover, 2009 ed.)
Series: Microbiology Monographs, 10
Expected to ship within 10 - 15 working days
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In 1898, an Austrian microbiologist Heinrich Winterberg made a
curious observation: the number of microbial cells in his samples
did not match the number of colonies formed on nutrient media
(Winterberg 1898). About a decade later, J. Amann qu- tified this
mismatch, which turned out to be surprisingly large, with
non-growing cells outnumbering the cultivable ones almost 150 times
(Amann 1911). These papers signify some of the earliest steps
towards the discovery of an important phenomenon known today as the
Great Plate Count Anomaly (Staley and Konopka 1985). Note how early
in the history of microbiology these steps were taken. Detecting
the Anomaly almost certainly required the Plate. If so, then the
period from 1881 to 1887, the years when Robert Koch and Petri
introduced their key inventions (Koch 1881; Petri 1887), sets the
earliest boundary for the discovery, which is remarkably close to
the 1898 observations by H. Winterberg. Celebrating its 111th
anniversary, the Great Plate Count Anomaly today is arguably the
oldest unresolved microbiological phenomenon. In the years to
follow, the Anomaly was repeatedly confirmed by all microb- logists
who cared to compare the cell count in the inoculum to the colony
count in the Petri dish (cf., Cholodny 1929; Butkevich 1932;
Butkevich and Butkevich 1936). By mid-century, the remarkable
difference between the two counts became a universally recognized
phenomenon, acknowledged by several classics of the time (Waksman
and Hotchkiss 1937; ZoBell 1946; Jannasch and Jones 1959).
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