Words similar to infrequently
Example sentences for: infrequently
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The latter were assumed to be infrequently transferred, but recent analyses reported them to be horizontally transferred among bacterial lineages [ 10 11 ] . The initiation factor IF-2 in Halobacterium sp. was previously shown to have strong similarity to the initiation factor IF-2 from Bacteria [ 49 ] . Most of the genes that group Halobacterium with the mesophilic bacteria encode functions that were postulated to be frequently exchanged [ 50 ] . While no meta-category appears exempt from HGT, some functions appear to be more often transferred than others (cf.
Mucositis, nausea/vomiting and diarrhea were the most commonly observed toxicities and are listed in table 3. The hematologic toxicities are also shown in table 3and in general were infrequently observed.
In surveying the growing number of studies and claims of new cells that can acquire some type of heart cell phenotype in vitro or in vivo (for a review see [6]), it will become increasingly important to create a set of rigorous criteria that would distinguish between the following: authentic progenitor cells that are already committed to the cardiac lineage; pluripotent stem cells that can infrequently adopt the cardiac phenotype; phenotypic drift of other muscle progenitors with an increased propensity to enter cardiac lineages; and a variety of other cell types that can aberrantly express cardiac markers ectopically or by fusion with neighboring cardiac muscle cells.
Studies in South America detail the pain and oedema at the bite site and manifestations of autonomic nervous system stimulation (vomiting, diarrhoea, sweating, hypersalivation, bradycardia) that may be attributed to serine protease in Lachesis muta venom which causes hypotension by releasing kinins from plasma kininogen [ 8 ] . There are also cases of bleeding distant from the bite site such as gingival haemorrhage, epistaxis, haemoptysis, haematuria, uterine bleeding, soft tissue haematomas and very infrequently intrathoracic or intrabdominal bleeding [ 35 ] . Complications in the bitten limb can include secondary infections by Gram-negative organisms and acute renal failure among others [ 8 ] . There is a bothrojacarin-like 27 kDa protein in Bothrops species venom [ 36 ] . Bothrojacarin forms a non-covalent complex with thrombin, blocking its ability to induce platelet aggregation and fibrinogen clotting [ 8 36 ] . Haemostatic effects in Lachesis muta venom are attributable to an alpha-fibrin(ogen)ase and haemorrhagic metalloproteinases (LHF-1 and LHF-II) which have alpha-fibrin(ogen)ase activity [ 8 ] .
This type of enzyme recruitment, which takes advantage of already existing substrate-specificity determinants, but requires changes in catalytic groups, appears to occur rather infrequently [ 55].
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