Sentence examples for could not be propagated from inspiring English sources

They were sterile and could not be propagated.

It is however possible that some mutations such as 769N have a heavy fitness cost, as parasites harbouring the mutation could not be propagated in vitro under standard culture conditions.

An additional 34 Egl clones could not be propagated because they were either sterile or gave rise to dead progeny.

The virus replicated poorly in Vero cells and human lung adenocarcinoma (A-549) cells and could not be propagated in MDCK cells or chicken embryo fibroblasts (1 ).

This line could not be propagated as a homozygous line but the heterozygous lines segregated with a silique and ovule phenotype.

The putative homozygous mvp mutant lines were selected by genotyping because they could not be propagated due to the lack of flowering, and their phenotype was not different from that of wild type and heterozygous plants at the seedling stage.

Most frequently, the extensin-coding region was truncated and could therefore not be propagated.

Unlike the parental primary breast preparations used for the transductions, which could not be further propagated for more than three to seven serial passages in spheroid conditions (mammospheres), these OTBCs could be propagated for more than 40 passages.

This could help explain the rapid extinction of the genotype III virus as the virus could not be efficiently propagated.

Interestingly, although double-null IMECs appeared viable following ex vivo deletion of Smad2 in Smad3 null cells (data not shown), they could not be further propagated at either permissive or nonpermissive temperatures.

B6 mESCs were derived from the C57BL/6 strain of mouse and are routinely maintained by co-culturing with feeders in the presence of LIF and FCS (Ye et al., 2012) When removed from feeders and cultured in mESC medium supplemented with LIF, these B6 mESCs died or differentiated and could not be continuously propagated (Fig. 1A).