Search Results - "Olszanska, B."

Studies on the mechanism of urea uptake by plant roots. I. Kinetics of uptake, effect of concentration and inhibitors by B. Olszańska

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Accumulation and localisation of maternal RNA in oocytes of Japanese quail by Malewska, A, Olszańska, B

“…Accumulation of total RNA and poly(A+)RNA was determined in the oocytes of Japanese quail (Coturnix coturnix japonica) during oogenesis, by a standard…”
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Studies on the mechanism of urea uptake by plant roots. II. The effect of some external factors on the uptake by B. Olszańska

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In vitro fertilisation of chicken oocytes after in vitro ovulation by Batellier, F, Couty, I, Olszanska, B, Stepinska, U, Brillard, J P

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Expression of melatonin receptor transcripts (mel-1a, mel-1b and mel-1c) in Japanese quail oocytes and eggs by Obłap, R, Olszańska, B

“…Cloning and sequencing of the cDNA for avian melatonin (MEL) receptors have made it possible to investigate the expression of these receptors in different…”
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Maturation and ovulation of Japanese quail oocytes under in vitro conditions by Olszańska, B, Malewska, A, Stepińska, U

“…1. An in vitro system for ovulation and maturation of Japanese quail oocytes is described. 2. Ovarian follicles removed from the ovary at 2, 4 or 6 h before…”
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Detection of deoxyribonuclease I and II activities in Japanese quail oocytes by St pińska, U, Olszańska, B

“…Birds exhibit physiological polyspermy, i.e. numerous spermatozoa enter the germinal disc of an oocyte and form pronuclei during fertilisation. However, only…”
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2003 Spring meeting of the WPSA French Branch by Batellier, F., Couty, I., Olszanska, B., Stepinska, U., Brillard, J.P.

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Quantitation of nanogram amounts of nucleic acids in the presence of proteins by the ethidium bromide staining technique by Olszańska, B, Borgul, A

“…Modification of the method for determining low amounts of RNA and DNA is proposed. It consists in nucleic acid staining in solution with EtBr (1 microgram/ml)…”
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RNase A activity in Japanese quail oocytes by Stepińska, U, Malewska, A, Olszańska, B

“…The presence of RNase A activity was studied in vitro in homogenates of quail oocytes and early embryos using [3H]poly(U) as a substrate. The activity was…”
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Transcription and polyadenylation processes during early development of quail embryo by Olszanska, B, Kludkiewicz, B, Lassota, Z

“…Transcription of tRNA and mRNA occurs in quail as early as during cleavage while rRNA transcription becomes measurable during blastulation. The polyadenylated…”
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Simple in vitro system for molecular studies of early avian development in the quail by Olszańska, B, Lassota, Z

“…1. The development of quail embryos incubated in ovo and cultured in vitro was compared in terms of basic morphological and biochemical criteria. 2. Blastoderm…”
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In vitro fertilization of in vitro ovulated quail oocytes by Olszanska, B., Stepinska, U.

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Bidirectional communication between the pineal gland and the immune system by Skwarlo-Sonta, Krystyna, Majewski, Pawel, Markowska, Magdalena, Oblap, Ruslan, Olszanska, Bozenna

“…The pineal gland is a vertebrate neuroendocrine organ converting environmental photoperiodic information into a biochemical message (melatonin) that…”
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Effect of spatial position of uterine quail blastoderms cultured in vitro on bilateral symmetry formation by Olsrzańska, Bozenna, Szolajska, Ewa, Lassota, Zofia

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Maternal RNA of the avian oocyte - its localisation and metabolism by Olszañska, B., Malewska, A.

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Precursors of cytoplasmic RNA in avian cell nucleus by Grabczewska, E, Olszańska, B, Lassota, Z

“…In nucleus of chick embryo four pre-rRNA of molecular weight of 3.43, 2.93, 2.36 and 1.87 X 10(6) were found in addition to the heterogeneous population of…”
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Characteristics of poly(A)-degrading factor present in the avian oocytes and early embryos by Stepinska, U, Olszanska, B

“…The presence of poly(A)‐degrading activity was studied in vitro in the quail and mouse oocytes and early embryos using 3H‐poly(A) as a substrate. The activity…”
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Metabolism of proteins and nucleic acids in avian blastoderms during storage and ageing of eggs by Olszańska, B, Stepińska, U, Kraszewska-Domańska, B

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Presence and developmental regulation of serotonin N-acetyltransferase transcripts in oocytes and early quail embryos (Coturnix coturnix japonica) by Oblap, Ruslan, Olszańska, Bożenna

“…By RT‐PCR two transcripts for arylalkylamine N‐acetyltransferase (AA‐NAT; serotonin N‐acetyltransferase; EC 2.3.1.87), the key enzyme in melatonin synthesis,…”
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