Morphological, histological and ultrastructural features of osmophores and nectary of Bulbophyllum wendlandianum (Kraenzl.) Dammer (B. section Cirrhopetalum …

AK Kowalkowska, M Kozieradzka-Kiszkurno… - Plant Systematics and …, 2015 - Springer
The species from Bulbophyllinae are generally regarded as fly-pollinated: myophilous or
sapromyophilous. The section Cirrhopetalum is characterized by umbellate inflorescence …

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 …

Calreticulin expression and localization in plant cells during pollen–pistil interactions

M Lenartowska, R Lenartowski, DJ Smoliński, B Wróbel… - Planta, 2009 - Springer
In this report, the distributions of calreticulin (CRT) and its transcripts in Haemanthus pollen,
pollen tubes, and somatic cells of the hollow pistil were studied. Immunoblot analysis of …

Spatial regulation of cytoplasmic snRNP assembly at the cellular level

M Hyjek, N Wojciechowska, M Rudzka… - Journal of …, 2015 - academic.oup.com
Small nuclear ribonucleoproteins (snRNPs) play a crucial role in pre-mRNA splicing in all
eukaryotic cells. In contrast to the relatively broad knowledge on snRNP assembly within the …

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 …

Transcriptional state and distribution of poly(A) RNA and RNA polymerase II in differentiating Hyacinthus orientalis L. pollen grains

K Zienkiewicz, A Zienkiewicz, DJ Smoliński… - Sexual Plant …, 2008 - Springer
Spatial distribution of poly (A) RNA, hypophosphorylated Pol IIA, and hyperphosphorylated
Pol IIO form of polymerase RNA II was characterized using immunofluorescence …

Changes in poly(A) RNA and TMG snRNA distribution in the embryo sac of Hyacinthus orientalis L. before and after fertilization

S Pięciński, DJ Smoliński, K Zienkiewicz… - Sexual plant …, 2008 - Springer
The content and distribution of the poly (A) RNA and splicing machinery element––TMG
snRNA in cells of the Hyacinthus orientalis L. mature embryo sac, during the progamic …

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 …

The perichromatin region of the plant cell nucleus is the area with the strongest co-localisation of snRNA and SR proteins

J Niedojadło, Z Mikulski, K Dełeńko… - Planta, 2012 - Springer
The spatial organisation of the splicing system in plant cells containing either reticular
(Allium cepa) or chromocentric (Lupinus luteus) nuclei was studied by immunolabelling of …

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 …