BULETINUL ИЗВЕСТИЯ JOURNAL

Buletinul AŞM. Ştiinţele vieţii. Nr. 3(318) 2012
Abstracts
doses of heat shock (HS) was determined. Based on the parameters of growth, the doses of
HS were divided into four different areas. They corresponded to the specifi c parameters that
characterized the inhibition and restoration of roots growth rate in the period after applying
the HS. Suppression of roots growth after HS can be characterized by the activation energy
(A), according to the Arrhenius equation. The value of A specifi cally increases with increasing
the temperature of HS. Determination of relative growth rate after applying the critical doses
of HS is of particular interest, as their values correlated with wheat genotype thermotolerance.
The parameters of the critical doses of HS, necessary for determining wheat genotypes
thermotolerance, can be appreciated only after analyzing the changes of the growth rate in
response to varying temperatures (intensive factor) and the durations (extensive factor) of HS.
15 references, 4 fi gures
Keywords: hexaploid wheat varieties - relative growth rate - heat shock - activation energy
- thermotolerance.
Received October 29, 2012
UDC: 581.17:1-036:526+502
THE INFLUENCE OF INSUFFICIENT WATER PROVISION AND INCREASED
SOIL BICARBONATE CONTENT ON SOME INDICES OF SOYA WATER STATUS
AND PRODUCTIVITY. Harciuc O.A., Chirilov A.F., Cozmic R.A., Chirilova E.N., Mitina T.
// Buletinul Academiei de Ştiinţe a Moldovei. Ştiinţele vieţii.. 2012, No 3 (318), p. 96-105.
Based on the experimental fi ndings, a pattern of the changes in root and leaf water status and
plant productivity of soya (cv. Bucuria) has been determined at a single and repeated action of
humidity insuffi ciency and increased soil bicarbonate content. At the background of short term
drought during the fi rst half of vegetation, the elevated soil bicarbonate content increases the
content of symplastic (intracellular) water in roots, decreases the water potential and relative
turgescence of soya leaves. A repeated drought event during the period of seed fulfi llment (as
well as an increased soil bicarbonate content at the background of the fi rst drought event) leads to
a further reduction in the content of both symplastic and apoplastic water in leaves, a signifi cant
decrease in their water potential and relative turgescence. A increased soil bicarbonate content
reduces the share of the economically useful part (seeds) in the total dry matter of soya plants
and the effi ciency of water utilization by the plant, especially at the background of a repeated
soil drought.
26 references, 6 tables, 1 fi gure
Keywords: Soya – root and leaf water status – productivity – humidity insuffi ciency –
bicarbonate salination.
Received October 29, 2012
UDC: 577.21:004.78 / 001.8
THE METHODOLOGY OF APPLICATION OF MICROARRAY EXPERIMENTS
METADATA IN SCIENTIFIC HYPOTHESIS ELABORATION. Duca Maria, Leviţchi
Alexei, Martea Rodica, Abduşa Daniela, Dragomir Lidia. // Buletinul Academiei de Ştiinţe a
Moldovei. Ştiinţele vieţii.. 2012, No 3 (318), p. 105-112.
A comparative study of microarray gene expression data is an effective way to develop
hypotheses regarding candidate gene function underlying molecular mechanisms of normal
and/or pathological biological processes. Also, it is important to identify microarray datasets,
which offer the data and information necessary for hypothesis elaboration. Thus, a methodology
of metadata usage is proposed for identifi cation of microarray experiments regarding candidate
gene detection, susceptible to gibberellin treatment in Arabidopsis plants.
16 references, 1 table, 3 fi gures
Key words: gene candidate – gibberellin – metadata - microarray
Received November 02, 2012
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