saprophyte


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saprophyte

(săp`rəfīt'), any plant that depends on dead plant or animal tissue for a source of nutrition and metabolic energy, e.g., most fungi (molds) and a few flowering plants, such as Indian pipe and some orchids. Most saprophytes do not produce chlorophyll and therefore do not photosynthesize; they are thus dependent on the food energy they absorb from the decaying tissues, which they help to break down.

Saprophyte

 

a plant that feeds on the organic matter of dead organisms or on the excrement of living organisms. Their type of feeding places saprophytes in the group of heterotrophic organisms. Saprophytes and autotrophic organisms play an important role in the cycle of matter in nature; saprophytes promote the decomposition of carcasses and animal excrement into water, carbon dioxide, ammonia, and other inorganic compounds.

Saprophytes are found mainly among bacteria, actinomy-cetes, and fungi. Typical algal saprophytes are Polytoma of the family Chlamydomonadinaceae and Prototheca of the family Protococcales. Some saprophytes transfer to a parasitic mode of existence. A number of photosynthesizing organisms, such as some green algae, may also feed saprophytically.

Flowering plants of the families Pyrolaceae, Orchidaceae, and Burmanniaceae are sometimes considered as saprophytes, but it is more accurate to regard them as mycotrophic parasitic plants. The plants receive nutrient matter from the soil via a mycorrhizal fungus, and they are also marked by photosynthesis.

E. S. TEREKHIN

saprophyte

[′sap·rə‚fīt]
(botany)
A plant that lives on decaying organic matter.

saprophyte

any plant that lives and feeds on dead organic matter using mycorrhizal fungi associated with its roots; a saprotrophic plant
References in periodicals archive ?
Analysis of the life cycle of the soil saprophyte Bacillus cereus in liquid soil extract and in soil.
Pulmonary pneumocystosis is a disease caused by intense multiplication of relatively pathogenic single-celled saprophyte Pneumocystis carinii in the human respiratory tract (Garcia, 1993).
dermatitidis exists as a saprophyte, it develops extensive long, branched, tubular filaments called hyphae.
3%) had A otitidis as a saprophyte in the normal external auditory canal.
If the host is living the fungus is a parasite, if the host is dead it is a saprophyte.
SHARP-EYED Gary McLardy wrote after noticing a parasite (one of the mosses) living on a saprophyte (a species of bracket fungi), living on a tree stump (sycamore or poplar).
Rhyzoctonia solani causes sheath blight in rice and damping off in flax and has been reported to colonize soil organic matter as a saprophyte (Ceresini 1999).
Deadly fungi may be at work even though the fruiting bodies or conks may not be visible until the final stages of decay, or after as a saprophyte living off the spoils of a downed tree.
An obligate saprophyte cannot be considered a pathogen.
In 1950, Burkholder identified the saprophyte, which causes onion rot.
It exists as saprophyte, colonising mucosal surfaces and external genitalia of human of either gender, but especially near the urethral meatus of healthy, premenopausal women.
Clonostachys rosea is a facultative saprophyte (Schroers et al.