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In ecology, functional equivalence (or functional redundancy) is the ecological phenomenon that multiple species representing a variety of taxonomic groups can share similar, if not identical, roles in ecosystem functionality (e.g., nitrogen fixers, algae scrapers, scavengers). [1] This phenomenon can apply to both plant and animal taxa.
Relatively high diversity levels are still observed despite the use of enrichment steps when working from environmental samples, [18] likely due to the high functional redundancy observed in environmental microbial communities, being a key asset of their functional stability.
The redundancy is often generated for the purpose of resolving the time constraint of fast-activating pathways. It can be expressed in terms of the theory of extreme statistics to determine its laws and quantify how the shortest paths are selected.
Functional redundancy refers to the phenomenon that species in the same ecosystem fill similar roles, which results in a sort of "insurance" in the ecosystem. Redundant species can easily do the job of a similar species from the same functional niche. [13] This is possible because similar species have adapted to fill the same niche overtime.
In this case, the redundant part of the gene remains in the genome due to the proximity to the area that codes for the unique function. [17] The reason redundant genes remain in the genome is an ongoing question and gene redundancy is being studied by researchers everywhere. There are many hypotheses in addition to the backup and piggyback models.
Genetic redundancy is a term typically used to describe situations where a given biochemical function is redundantly encoded by two or more genes. In these cases, mutations (or defects) in one of these genes will have a smaller effect on the fitness of the organism than expected from the genes’ function.
The Integrated Microbial Genomes (IMG) system is a genome browsing and annotation platform developed by the U.S. Department of Energy (DOE)-Joint Genome Institute. [2] [3] IMG contains all the draft and complete microbial genomes sequenced by the DOE-JGI integrated with other publicly available genomes (including Archaea, Bacteria, Eukarya, Viruses and Plasmids).
JASPAR: a database of manually curated, non-redundant transcription factor binding profiles. MetOSite: a database about methionine sulfoxidation sites and its functional roles in proteins [35] Healthcare Cost and Utilization Project (HCUP) is the largest collection of hospital care data in the United States. It includes hundreds of millions of ...