MicroRNA regulation of plant innate immune receptors

F Li, D Pignatta, C Bendix… - Proceedings of the …, 2012 - National Acad Sciences
… (D) Coinfiltrated leaves and control untreated leaves photographed under bright light at 7 d
… At 7 d after infiltration, we observed the formation of the hypersensitive response in leaves …

Natural epigenetic polymorphisms lead to intraspecific variation in Arabidopsis gene imprinting

D Pignatta, RM Erdmann, E Scheer, CL Picard… - Elife, 2014 - elifesciences.org
10.7554/eLife.03198.001 Imprinted gene expression occurs during seed development in
plants and is associated with differential DNA methylation of parental alleles, particularly at …

[HTML][HTML] Methylation-sensitive expression of a DNA demethylase gene serves as an epigenetic rheostat

BP Williams, D Pignatta, S Henikoff, M Gehring - PLoS genetics, 2015 - journals.plos.org
… (C) and (D) show a portion of the cytosines analyzed from the top strand of Col-0 and rdr2,
respectively. Filled/unfilled shapes represent methylated/unmethylated cytosines respectively. …

[HTML][HTML] A variably imprinted epiallele impacts seed development

D Pignatta, K Novitzky, PRV Satyaki, M Gehring - PLoS Genetics, 2018 - journals.plos.org
… (D) Seed area is significantly reduced in hdg3 seed (n = 275) compared to wild-type siblings
(n = 376) (p = 8.51e-11 by Welch’s two tailed t-test). Seeds were quantified with ImageJ. …

Differential sensitivity of the Arabidopsis thaliana transcriptome and enhancers to the effects of genome doubling

D Pignatta, BP Dilkes, SY Yoo, IM Henry… - New …, 2010 - Wiley Online Library
… To a casual observer, however, autotetraploids are nearly undistinguishable from the
corresponding diploids (D. Pignatta et al., unpublished). Autopolyploids of multiple species display …

Coniochaeta endophytica sp. nov., a foliar endophyte associated with healthy photosynthetic tissue of Platycladus orientalis (Cupressaceae)

…, JM U'Ren, K Garcia, D Pignatta… - Plant and Fungal …, 2019 - search.proquest.com
… After 28 d and 56 d we scored discs for presence of perithecia. In the second in vitro assay …
and fruitbody production 21 d after inoculation, and the entire experiment was repeated twice. …

Imprinting meets genomics: new insights and new challenges

D Pignatta, M Gehring - Current opinion in plant biology, 2012 - Elsevier
… These may be long non-coding RNA (nc-RNA) mediated (Figure 2d), as already established
in mammals within imprinted clusters [3]. In Arabidopsis, the floral repressor FLOWERING …

[HTML][HTML] Parental squabbles and genome expression: lessons from the polyploids

D Pignatta, L Comai - Journal of biology, 2009 - Springer
… For simplicity, the A and D genomes of the diploid species are represented by only two
chromosomes, in white and black, respectively. An allopolyploid (AADD) may form as a result of …

Quantitative Analysis of Efficient Endogenous Gene Silencing in Nicotiana benthamiana Plants Using Tomato bushy stunt virus Vectors That Retain the Capsid …

D Pignatta, P Kumar, M Turina… - Molecular plant …, 2007 - Am Phytopath Society
… 1 C and D) in in vitro transcripts effectively silenced the ChlH gene in N. benthamiana
plants. For all the vectors, the silenced phenotype was very obvious, and appeared 3 to 4 days …

Indagini sulla presenza del giallume europeo delle drupacee (ESFY) e di altri fitoplasmi in piante spontanee in provincia di Trento

…, M Gobber, P Miorelli, D Pignatta… - Petria-Atti del" …, 2005 - cris.unibo.it
Durante le stagioni vegetative 2003-2004 sono state raccolte ed analizzate per la presenza
di fitoplasmi 291 piante spontanee raccolte in provincia di Trento, di cui 135 drupacee, con …