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. 2020 May;18(5):1121-1123.
doi: 10.1111/pbi.13280. Epub 2019 Nov 23.

The C4 protein from the geminivirus Tomato yellow leaf curl virus confers drought tolerance in Arabidopsis through an ABA-independent mechanism

Miguel Corrales-Gutierrez  1   2   3 , Laura Medina-Puche  1   2 , Yanling Yu  1   2   4 , Liping Wang  1   2   4 , Xue Ding  1   2   4 , Ana P Luna  3 , Eduardo R Bejarano  3 , Araceli G Castillo  3 , Rosa Lozano-Duran  1   2
Affiliations

The C4 protein from the geminivirus Tomato yellow leaf curl virus confers drought tolerance in Arabidopsis through an ABA-independent mechanism

Miguel Corrales-Gutierrez et al. Plant Biotechnol J. 2020 May.
No abstract available

Keywords: ABA; C4; TYLCV; drought; geminivirus; tomato.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
C4 from TYLCV confers drought tolerance in A. thaliana. Tomato (cv Money maker) (a) or N. benthamiana (b) plants infected with TYLCV or mock‐inoculated in drought (after reducing the amount of water supply to 5 mL per day for one week) or control conditions at 28 days post‐inoculation (dpi). (c) Six‐week‐old transgenic Arabidopsis plants expressing TYLCV genes under the 35S promoter and control plants (WT and transgenic 35S:GFP) after withholding water for 31 days. (d) Seven‐week‐old transgenic Arabidopsis plants expressing wild‐type C4 or the non‐myristoylable mutant C4G2A under the 35S promoter or (e) wild‐type C4 under the SCR promoter after withholding water for 39 days. Three independent biological replicates were performed with similar results; results from one biological replicate are shown in (a), (b), (c) and (d). (f) ABA content in 4‐week‐old transgenic Arabidopsis plants 35S:C4 and 35S:C4G2A after withholding water for 13 days. Values represent the mean ± SD of three plants. (g) Relative transcript levels of ABA‐responsive genes (NCDE3, P5CS1 and RD29A) in transgenic 35S:C4 or control (35S:GFP) plants after withholding water for 30 days. Five independent plants for each line were pooled, and values were relativized to those in 35S:GFP plants in control conditions; ACT2 was used as normalizer. Values represent the mean ± SD of three technical replicates. (h) Germination rate of transgenic Arabidopsis 35S:C4 and 35S:C4G2A seeds sown in the absence (‐ABA) or the presence of exogenous ABA (0.3 μM, +ABA) for 6 days; wild‐type (WT) plants are used as control. 24 seeds were used per line; two biological replicates were performed with similar results; results from one replicate are shown.
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References

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