What's the difference between strain and variant?

Strain


Definition:

  • (n.) Race; stock; generation; descent; family.
  • (n.) Hereditary character, quality, or disposition.
  • (n.) Rank; a sort.
  • (a.) To draw with force; to extend with great effort; to stretch; as, to strain a rope; to strain the shrouds of a ship; to strain the cords of a musical instrument.
  • (a.) To act upon, in any way, so as to cause change of form or volume, as forces on a beam to bend it.
  • (a.) To exert to the utmost; to ply vigorously.
  • (a.) To stretch beyond its proper limit; to do violence to, in the matter of intent or meaning; as, to strain the law in order to convict an accused person.
  • (a.) To injure by drawing, stretching, or the exertion of force; as, the gale strained the timbers of the ship.
  • (a.) To injure in the muscles or joints by causing to make too strong an effort; to harm by overexertion; to sprain; as, to strain a horse by overloading; to strain the wrist; to strain a muscle.
  • (a.) To squeeze; to press closely.
  • (a.) To make uneasy or unnatural; to produce with apparent effort; to force; to constrain.
  • (a.) To urge with importunity; to press; as, to strain a petition or invitation.
  • (a.) To press, or cause to pass, through a strainer, as through a screen, a cloth, or some porous substance; to purify, or separate from extraneous or solid matter, by filtration; to filter; as, to strain milk through cloth.
  • (v. i.) To make violent efforts.
  • (v. i.) To percolate; to be filtered; as, water straining through a sandy soil.
  • (n.) The act of straining, or the state of being strained.
  • (n.) A violent effort; an excessive and hurtful exertion or tension, as of the muscles; as, he lifted the weight with a strain; the strain upon a ship's rigging in a gale; also, the hurt or injury resulting; a sprain.
  • (n.) A change of form or dimensions of a solid or liquid mass, produced by a stress.
  • (n.) A portion of music divided off by a double bar; a complete musical period or sentence; a movement, or any rounded subdivision of a movement.
  • (n.) Any sustained note or movement; a song; a distinct portion of an ode or other poem; also, the pervading note, or burden, of a song, poem, oration, book, etc.; theme; motive; manner; style; also, a course of action or conduct; as, he spoke in a noble strain; there was a strain of woe in his story; a strain of trickery appears in his career.
  • (n.) Turn; tendency; inborn disposition. Cf. 1st Strain.

Example Sentences:

  • (1) These variants may serve as useful gene markers in alcohol research involving animal model studies with inbred strains in mice.
  • (2) None of the strains was found to be positive for cytotoxic enterotoxin in the GM1-ELISA.
  • (3) They are going to all destinations.” Supplies are running thin and aftershocks have strained nerves in the city.
  • (4) In contrast, resting cells of strain CHA750 produced five times less IAA in a buffer (pH 6.0) containing 1 mM-L-tryptophan than did resting cells of the wild-type, illustrating the major contribution of TSO to IAA synthesis under these conditions.
  • (5) We were able to detect genetic recombination between vaccine strains of PRV following in vitro or in vivo coinoculation of 2 strains of PRV.
  • (6) All of the strains examined were motile and hemolytic and produced lipase and liquid gelatin.
  • (7) The taxonomic relationship of strains H4-14 and 25a with previously described Xanthobacter strains was studied by numerical classification.
  • (8) Whereas strain Ga-1 was practically avirulent for mice, strain KL-1 produced death by 21 days in 50% of the mice inoculated.
  • (9) These results suggest that the pelvic floor is affected by progressive denervation but descent during straining tends to decrease with advancing age.
  • (10) We also show that the gene of the main capsid protein is expressed from its own promoter in an Escherichia coli strain.
  • (11) Sequence variation in the gp116 component of cytomegalovirus envelope glycoprotein B was examined in 11 clinical strains and compared with variation in gp55.
  • (12) By hybridization studies, three plasmids in two forms (open circular and supercoiled) were detected in the strain A24.
  • (13) In addition, the fact that microheterogeneity may occur without limit in the mannans of the strains suggests that antibodies with unlimited diverse specificities are produced directed against these antigenic varieties as well.
  • (14) Strains isolated from the environment and staff were not implicated.
  • (15) The compressive strength of bone is proportional to the square of the apparent density and to the strain rate raised to the 0.06 power.
  • (16) Escherichia enterotoxigenic strains, Yersinia enterocolitica and Salmonella typhimurium virulent strains, Campylobacter jejuni clinical isolates possess more pronounced capacity for adhesion to enteric cells of Peyer's plaques than to other types of epithelial cells, which may be of importance in the pathogenesis of these infections.
  • (17) These sequences are also conserved in the same arrangement in minor sequence classes of minicircles from this strain.
  • (18) The isoelectric points (pI) of E1 and E2 for all VEE strains studied were approx.
  • (19) One rat strain (TAS) is susceptible to the anticoagulant and lethal effects of warfarin and the other two strains are homozygous for warfarin resistance genes from either wild Welsh (HW) or Scottish (HS) rats.
  • (20) In these bitches, a strain of E coli identical to the strain in the infected uterus was isolated.

Variant


Definition:

  • (a.) Varying in from, character, or the like; variable; different; diverse.
  • (a.) Changeable; changing; fickle.
  • (n.) Something which differs in form from another thing, though really the same; as, a variant from a type in natural history; a variant of a story or a word.

Example Sentences:

  • (1) This particular variant of rheumatoid arthritis (RA) is characterized by the presence of subcutaneous rheumatoid nodules, scanty or absent systemic manifestations and a clinically benign course.
  • (2) These variants may serve as useful gene markers in alcohol research involving animal model studies with inbred strains in mice.
  • (3) Patients with papillary carcinoma with a good cell-mediated immune response occurred with much lower infiltration of the tumor boundary with lymphocyte whereas the follicular carcinoma less cell-mediated immunity was associated with dense lymphocytic infiltration, suggesting the biological relevance of lymphocytic infiltration may be different for the two histologic variants.
  • (4) Insensitive variants die more slowly than wild type cells, with 10-20% cell death observed within 24 h after addition of dexamethasone.
  • (5) In this study, the role of psychological make-up was assessed as a risk factor in the etiology of vasospasm in variant angina (VA) using the Cornell Medical Index (CMI).
  • (6) Moreover, homozygous deletion of the FMS gene may be an important event in the genesis of the MDS variant 5q- syndrome.
  • (7) The diagnosis of variant- or Prizmetal-angina is difficult because if insufficient specificity of the tests.
  • (8) A variant t-PA (G K1 K2 P), which contained only one of the two fibrin binding sites, i.e.
  • (9) In the DAUDI cell system, the acquired capability of tumor cell variants to grow in the presence of a relatively high concentration of vinblastine (VBL) is associated with a marked increase to NK and LAK susceptibility.
  • (10) An infant with a Sturge-Weber variant syndrome developed progressive megalencephaly and eventual hydrocephalus, which required shunting.
  • (11) Three distinct antigenic regions of bovine somatotropin (bST) were identified on the basis of the ability of a set of monoclonal antibodies to bind to proteolytic fragments and deletion variants of recombinant bST (rbST) in Western blot analyses.
  • (12) Furthermore, they seem to suggest that most cases of cycloid psychosis are not variants of either schizophrenia or major affective disorders.
  • (13) Structurally altered polymorphic variants with reduced activity, such as tetrameric interface mutant Ile-58 to Thr, may produce not only an early selective advantage, through enhanced cytotoxicity of tumor necrosis factor for virus-infected cells, but also detrimental effects from increased mitochondrial oxidative damage, contributing to degenerative conditions, including diabetes, aging, and Parkinson's and Alzheimer's diseases.
  • (14) A variant of the FitzHugh-Nagumo model is proposed in order to fully make use of the computational properties of intraneuronal dynamics.
  • (15) All four human MBP variants were identical except for the insertion of deletion of two peptide fragments corresponding to those encoded by exons 2 and 5 of the MBP gene.
  • (16) Proliferation of untransformed FDC-PI cells and the emergence of variants with improved adaptation to in vivo conditions appear to be important and possibly necessary steps in the pathogenesis of the disease.
  • (17) The results are discussed with respect to Q phase variants and receptor binding properties.
  • (18) In small cell line NCI-H69 the growth inhibitory effect of VRP alone is greater in the resistant variant than in the parent line.
  • (19) A deficient G-6PD variant was discovered in 4 males of one family from northwestern Germany.
  • (20) Methods of analysis for some deterministic and stochastic variants of the integrate-to-threshold neural coding scheme are presented.