The phrase "a selected strain of" is correct and usable in written English.
It can be used when referring to a specific variety or type of something, often in scientific or technical contexts, such as biology or microbiology.
Example: "The researchers focused on a selected strain of bacteria known for its resistance to antibiotics."
Alternatives: "a chosen variety of" or "a specific type of".
There are both genetic and environmental components involved in foxtailing; for example, a selected strain of Caribbean pine that was certified not to foxtail in Australia reportedly exhibited 80 percent foxtailing when grown in Puerto Rico.
We identified a novel elongase gene from a selected strain of the Oomycete, Pythium sp. BCC53698.
PectinexTM Ultra SP-L (a commercial preparation of pectolytic enzymes from a selected strain of Aspergillus niger) was a kind gift from Dr. J.S.Rao, Novozymes, Bangalore, India.
In this context, this work evaluates the effects of operational conditions on endoglucanase production by a selected strain of Aspergillus niger cultivated under SSF using an instrumented lab-scale bioreactor equipped with an on-line automated monitoring and control system.
An in vitro model study was carried out to check biofilm formation by a selected strain of Bacillus cereus isolated from a chilling tank where pasteurized milk was stored.
Evaluation was made of the effects of operational conditions on the production of protease by a selected strain of Aspergillus oryzae, cultivated under solid-state fermentation (SSF) with canola cake as a sole carbon source in an instrumented lab-scale bioreactor.
A Cry1Ac-selected strain of ACB evolved three mutant alleles of a cadherin-like protein, which mapped within the toxin-binding region.
A null mutation in a histamine-gated chloride channel also conferred moderate IVM resistance in Drosophila melanogaster Meigen, 1830 [ 33], and a novel dopamine-gated ion channel (HcGGR3) was significantly down-regulated in an AVM-selected strain of the nematode Haemonchus contortus (Rudolphi, 1803) [ 34].
Both these coral species produce azooxanthellate eggs that can be fertilized and reared through the larval and post-metamorphic polyp stages to a stage that can be experimentally infected with selected strains of Symbiodinium available in culture.
Secondly, the bioaccessibility of antioxidants in milk fermented with five selected strains of B. longum subsp. longum showing a range of antioxidant capacities of milk was assessed using the TIM-1 model.
Lehner and colleagues explored the response of T cells from patients with Behçet's disease to mycobacterium 65-kDa heat shock protein (HSP), since it was disclosed that serum IgA antibodies to the mycobacterial 65-kDa HSP were elevated in Behçet's disease and that a number of monoclonal antibodies of the mycobacterial 65-kDa HSP cross-reacted with selected strains of S. sanguis [ 21].
