Gene expression in the dimorphic sperm cells of Plumbago zeylanica: transcript profiling, diversity, and relationship to cell type

X Gou, T Yuan, X Wei, SD Russell - The Plant Journal, 2009 - Wiley Online Library
Plumbago zeylanica produces cytoplasmically dimorphic sperm cells that target the egg and
central cell during fertilization. In mature pollen, the larger sperm cell contains numerous …

mRNA accumulation in the Cajal bodies of the diplotene larch microsporocyte

DJ Smoliński, A Kołowerzo - Chromosoma, 2012 - Springer
In microsporocytes of the European larch, we demonstrated the presence of several mRNAs
in spherical nuclear bodies. In the nuclei of microsporocytes, we observed up to 12 bodies …

Transcriptional activity in diplotene larch microsporocytes, with emphasis on the diffuse stage

A Kołowerzo-Lubnau, J Niedojadło, M Świdziński… - PLoS …, 2015 - journals.plos.org
Manuscript provides insights into the biology of long-lived plants, different from Arabidopsis,
tomato or grass species that are widely studied. In the European larch the diplotene stage …

Poly (A) RNA a new component of Cajal bodies

A Kołowerzo, DJ Smoliński, E Bednarska - Protoplasma, 2009 - Springer
In European larch microsporocytes, spherical structures 0.5 to 6 μm in diameter are present
in which poly (A) RNA accumulates. There were one to several bodies per cell and they …

Periodic expression of Sm proteins parallels formation of nuclear Cajal bodies and cytoplasmic snRNP-rich bodies

DJ Smoliński, B Wróbel, A Noble, A Zienkiewicz… - Histochemistry and cell …, 2011 - Springer
Small nuclear ribonucleoproteins (snRNPs) play a fundamental role in pre-mRNA
processing in the nucleus. The biogenesis of snRNPs involves a sequence of events that …

Distinct localization of histone H3 methylation in the vegetative nucleus of lily pollen

Y Sano, I Tanaka - Cell biology international, 2010 - Wiley Online Library
We analysed the distribution of histone H3 modifications in the nucleus of the vegetative cell
(the vegetative nucleus) during pollen development in lily (Lilium longiflorum). Among the …

Intracellular organization of the pre-mRNA splicing machinery during Hyacinthus orientalis L. pollen development

K Zienkiewicz, DJ Smoliński, M Świdziński… - Sexual plant …, 2008 - Springer
Spatial organization of splicing machinery elements in metabolically and functionally
different pollen cells during Hyacinthus orientalis pollen grain development was examined …

Nuclear activity of sperm cells during Hyacinthus orientalis L. in vitro pollen tube growth

K Zienkiewicz, A Suwińska, K Niedojadło… - Journal of …, 2011 - academic.oup.com
In this study, the transcriptional state and distribution of RNA polymerase II, pre-mRNA
splicing machinery elements, and rRNA transcripts were investigated in the sperm cells of …

Dynamic distribution of ARGONAUTE1 (AGO1) and ARGONAUTE4 (AGO4) in Hyacinthus orientalis L. pollen grains and pollen tubes growing in vitro

K Niedojadło, M Kupiecka, A Kołowerzo-Lubnau… - Protoplasma, 2020 - Springer
The transcriptional and posttranscriptional AGO-mediated control of gene expression may
play important roles during male monocot gametophyte development. In this report, we …

Reprogramación del polen a embriogénesis inducida por estrés: Identidad celular, muerte celular programada y papel de la metilación de DNA

MT Solís - 2012 - digital.csic.es
Las pectinas son un componente principal de las paredes celulares, su modificación por la
enzima pectinmetilesterasa (PME) actúa regulando la estructura y la rigidez de la pared …