Sentence examples for mutant was negative from inspiring English sources

The SD promotion rate for the wild type was 16.5%, but the SD promotion rate for the mutant was negative, −19.4% (Table 1), indicating that photoperiod had a negative effect on the heading-date of the mutant under low temperature conditions.

The epistasis coefficient for this triple mutant was negative at −2.6%.

All 22 putative mutants were negative in the diagnostic PCR for the β-lactam biosynthetic gene penDE.

Our analysis of Six2 and Ncam1 expression showed that the expanded mesenchyme we observe in the histological analysis of the Nes-Cre-driven Wt1 mutants is negative for both these nephron progenitor cell markers.

For our bacteria, both kanamycin resistance and phage resistance conferred significant fitness costs: S values (difference in fitness from the ancestor) of the first-generation resistant mutants were negative (P < 0.05).

As expected, the mutant strain was negative for SAP expression as confirmed by RT-PCR (Fig. 5A), WB analysis (Fig. 5A) and FACS analysis (Table 1).

The fractional changes of half activation voltages (V1/2) of these channels caused by β4 mutants (G63A, H105A, H153A and D166R) are positive, slightly different from that by WT β4, while that caused by β4 mutant N123A is negative (Fig. 5b), implying that the β4 mutation from Asn123 to Ala123 stimulates the channel to traverse into an open state.

These results further support the finding that the loss-of-function Cx40 mutant was also dominant-negative to the function of both Cx40 and Cx43.