knockdown


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The alteration of a gene’s function so that it is conditionally expressed, a manoeuvre required when complete gene knockout would be lethal to the organism

knockdown

A modification of a gene that limits its expression to specified conditions or circumstances.

knockdown

a measure of biocide effect that is used when it is difficult to assess actual mortality. The measure is used particularly in biocide tests on insects, and has been shown to produce similar results to actual mortality scores. Knockdown is often measured as the inability to respond to a stimulus such as light or touch. see KNOCKDOWN LINE.
References in periodicals archive ?
The Increased Expressions of FOXOs Protect Hearts against H/R-Induced Oxidative Stress in CD38 Gene Knockdown H9c2 Cells.
There are really only two ways to spoil a knockdown texture: too much splatter coverage and waiting too long before knocking down the splatters.
Abbott's formula (Abbott 1925) was used to adjust knockdown and treatment mortality for control mortality.
Stung by his second knockdown since leaving the amateur ranks, he launched a furious assault with rapid combinations of straight punches to leave Limond bloodied and bruised.
Khan sought to shrug off the seventh-round knockdown when Drilzane connected with a right hand which, coupled with a slip, sent the Bolton youngster down for a count.
Early in the second half Bridge-Wilkinson crashed home striker Dean Windass' knockdown and although Crewe created several chances, Johnson completed the job with a firm strike between the home goalkeeper Ben Williams' legs.
Both are highly potent and specific siRNA products which deliver guaranteed knockdown.
As far as the knockdown is concerned, yes, I put him down, but I did not nail him,' he said smiling.
Better still you could head off to Hungary to have some crowns or implants fitted, and all at a knockdown price.
Money is king in Japan at present, and I'm seeing a lot of quality assets being sold at knockdown prices.
The interim ruling clarifies EU law on grey market imports and will open the floodgates for sales of knockdown designer gear in the UK.
Flies reared under high and low larval densities were selected for knockdown resistance to heat.