heterotroph

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heterotroph

(hĕt`ərətrōf'), living organism that obtains its energy from carbohydrates and other organic material. All animals and most bacteria and fungi are heterotrophic. In contrast, autotrophsautotroph
, in biology, an organism capable of synthesizing its own organic substances from inorganic compounds. Autotrophs produce their own sugars, lipids, and amino acids using carbon dioxide as a source of carbon, and ammonia or nitrates as a source of nitrogen.
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 are organisms that use inorganic substances as energy sources and carbon dioxide as a carbon source.
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heterotroph

[′hed·ə·rō‚träf]
(biology)
An organism that obtains nourishment from the ingestion and breakdown of organic matter.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Y16 capable of heterotrophic nitrification-aerobic denitrification at low temperature," Bioresource Technology, vol.
Much of the organic matter in many aquatic systems is allochthonous and is broken down and used by microbes, especially heterotrophic bacteria (HB; Carlsson & Caron 2001).
According to CDC, the acceptable level of number of bacteria {aerobic heterotrophic plate count (HPC)} in water used in dental units for cooling/ irrigation during non-surgical dental procedures should not be more than 500 CFU/ml.
However, results of the laboratory incubation suggest that direct effects of temperature and water availability on heterotrophic respiration may be sufficient to explain the seasonal patterns of emission in the field without invoking effects on root growth and respiration.
For total heterotrophic bacterial count, 1 mL of water was collected from the water tanks and dilution in sterile saline solution (3% NaCl) serial 1:10 until dilution [10.sup.-5].
Heterotrophic bacteria were the largest microbial population isolated (7.86 log CFU/ mL), followed by total coliforms (6.56 log CFU/ mL), Gram-positive bacilli (6.37 log CFU/mL) and Pseudomonas spp (4.71 log CFU/mL).
When animal manures are applied in ponds,to boost fish production by increasing plankton growth through releasing nitrogen and phosphorus in water, or by providing an organic carbon through heterotrophic cycle.
Using pour plate technique aliquots from each dilution was plated in triplicates on sterile nutrient agar for total heterotrophic bacterial counts and potato dextrose agar for total heterotrophic fungal counts.
The total heterotrophic bacterial count in the samples were determined by making tenfold serial dilution of the samples on normal saline (0.85% w/v, sterile NaCl).
Large number of total culturable heterotrophic bacteria was counted in order of 108 to 109at the end of experiment with highest number found in BP treatments (Table 2 3).