High zinc concentrations reduce rooting capacity and alter metallothionein gene expression in white poplar (Populus alba L. cv. Villafranca)

Chemosphere ◽  
2007 ◽  
Vol 67 (6) ◽  
pp. 1117-1126 ◽  
Author(s):  
Stefano Castiglione ◽  
Cinzia Franchin ◽  
Tiziana Fossati ◽  
Guido Lingua ◽  
Patrizia Torrigiani ◽  
...  
Keyword(s):  
Gene Expression ◽  
Populus Alba ◽  
White Poplar ◽  
Metallothionein Gene ◽  
High Zinc ◽  
Zinc Concentrations ◽  
Rooting Capacity

scholarly journals Survival and growth of white poplar rooted cuttings regarding term of planting

Topola ◽  
2020 ◽  
pp. 33-46
Author(s):  
Branislav Kovačević ◽  
Dušan Igić ◽  
Zoran Novčić ◽  
Saša Orlović
Keyword(s):  
Populus Alba ◽  
White Poplar ◽  
Rooted Cuttings ◽  
Growth And Survival ◽  
Nursery Production ◽  
Sources Of Variation ◽  
Standard Term ◽  
Survival And Growth ◽  
Positive Effect ◽  
Rooting Capacity

White poplar nursery production is mainly based on vegetative propagation hardwood cuttings. In this study the reaction of three clones of white poplar (Populus alba L.) on term of cuttings' preparation and planting according to parameters of survival and growth of rooted cuttings in three nurseries in Northern part of Serbia. There were two terms of cuttings' preparation and planting examined: a) mid-March and d) the beginning of April (standard term). Obtained results suggest considerable differences between nurseries and between examined terms. Differences between clones were not significant, but there were found significant effects of interactions of factor Clone with other two main sources of variation. The best results were obtained by cuttings that were prepared and planted in mid-March, due to faster growth and survival of rooted cuttings. The positive effect of the earlier term is evident particularly in clones L-12 and L-80 and enable feasible production of rooted cuttings of these clones, especially in nurseries that obtained better conditions. Results obtained in this study suggest that influence of terms of cuttings' production and planting is important issue concerning introduction of clones with relatively poor rooting capacity, optimization of nursery technology of experimental white poplar clones, and improvement of white poplar nursery production in general.

On syntaxonomy of floodplain forests (Salicetea purpureae Moor 1958) of the Irtysh and Black Irtysh rivers

2005 ◽  
pp. 82-92
Author(s):  
G. S. Taran
Keyword(s):  
Populus Alba ◽  
Floodplain Forests ◽  
White Poplar ◽  
Salix Alba ◽  
River Floodplain ◽  
White Willow ◽  
Irtysh River

The paper characterizes poplar (Populus alba, P. nig­ra) and white willow (Salix alba) forests of the Irtysh and the Black Irtysh river floodplain, together with the silvery salt tree (Halimodendron halodendron) community of the Black Irtysh river floodplain. The Black Irtysh floodplain willow and poplar forests are separated into a new alliance, Rubio dolichophyllae—Populion albae Taran all. nov. (Salicetalia purpureae Moor 1958, Salicetea purpureae Moor 1958), which includes the associations Rubio dolichophyllae—Popu­letum albae Taran 1997 and Rubio dolichophyllae—Salicetum albae Taran ass. nov. The Halimodendron halodendron community is probably related to the class Nerio-Tamaricetea Br.-Bl. et de Bolós 1958. White poplar forests in the Irtysh R. upper reaches, described within the Semipalatinsk city limits, belong to the association Heracleo dissecti—Populetum albae Taran 1997 and its subassociation H. d. —P. a. lamietosum albi Taran 1997 (Equiseto hyemalis—Populion nigrae Taran 1997, Salicetalia purpureae Moor 1958).

UDP-D-glucose 4-epimerase activity of the tissue culture of white poplars (Populus alba L. var. pyramidalis)

1982 ◽  
Vol 47 (5) ◽  
pp. 1530-1536 ◽  
Author(s):  
Ladislav Bilisics ◽  
Štefan Karácsonyi ◽  
Marta Kubačková
Keyword(s):  
Tissue Culture ◽  
Cell Walls ◽  
Enzyme Preparation ◽  
Uridine Diphosphate ◽  
Populus Alba ◽  
Activity Change ◽  
White Poplar ◽  
Culture Cells ◽  
Tissue Culture Cells ◽  
Galactose Content

The presence of UDP-D-glucose 4-epimerase (EC 5.1.3.2) in the culture tissue of white poplar was evidenced. As found, the partially purified enzyme preparation contained UDP-D-glucose glucosyltransferase, UDP-D-galactose galactosyltransferase and non-specific enzymes able to cleave the uridine-diphosphate saccharides into the appropriate hexose monophosphates. The activity change of UDP-D-glucose 4-epimerase in tissue culture cells during the growth was in accord with changes in D-galactose content in cell walls and indicated the possibility to regulate the formation of polysaccharides containing D-galactose at the level of production of UDP-D-galactose in cells.

scholarly journals Endotoxin induction of murine metallothionein gene expression.

1990 ◽  
Vol 265 (25) ◽  
pp. 15267-15274 ◽  
Author(s):  
S.K. De ◽  
M.T. McMaster ◽  
G.K. Andrews
Keyword(s):  
Gene Expression ◽  
Metallothionein Gene

Different gene expression pattern of Populus alba L. genotypes under elevated UV-B radiation

2010 ◽  
Vol 150 ◽  
pp. 508-508
Author(s):  
Kostlend Mara ◽  
Donatella Paffetti ◽  
Ilaria Spanu ◽  
Giovanni Emiliani ◽  
Sabrina Raddi ◽  
...  
Keyword(s):  
Gene Expression ◽  
Expression Pattern ◽  
Gene Expression Pattern ◽  
Populus Alba

Role of heat shock transcription factor in yeast metallothionein gene expression

1991 ◽  
Vol 11 (7) ◽  
pp. 3676-3681
Author(s):  
W M Yang ◽  
W Gahl ◽  
D Hamer
Keyword(s):  
Gene Expression ◽  
Transcription Factor ◽  
Heat Shock ◽  
Gene Transcription ◽  
Heat Shock Factor ◽  
Heat Shock Transcription Factor ◽  
Wild Type ◽  
Promoter Sequences ◽  
Metallothionein Gene ◽  
Upstream Promoter

The induction of Saccharomyces cerevisiae metallothionein gene transcription by Cu and Ag is mediated by the ACE1 transcription factor. In an effort to detect additional stimuli and factors that regulate metallothionein gene transcription, we isolated a Cu-resistant suppressor mutant of an ACE1 deletion strain. Even in the absence of metals, the suppressor mutant exhibited high basal levels of metallothionein gene transcription that required upstream promoter sequences. The suppressor gene was cloned, and its predicted product was shown to correspond to yeast heat shock transcription factor with a single-amino-acid substitution in the DNA-binding domain. The mutant heat shock factor bound strongly to metallothionein gene upstream promoter sequences, whereas wild-type heat shock factor interacted weakly with the same region. Heat treatment led to a slight but reproducible induction of metallothionein gene expression in both wild-type and suppressor strains, and Cd induced transcription in the mutant strain. These studies provide evidence for multiple pathways of metallothionein gene transcriptional regulation in S. cerevisiae.

scholarly journals Physiological, Diurnal and Stress-Related Variability of Cadmium-Metallothionein Gene Expression in Land Snails

PLoS ONE ◽  
2016 ◽  
Vol 11 (3) ◽  
pp. e0150442 ◽  
Author(s):  
Veronika Pedrini-Martha ◽  
Michael Niederwanger ◽  
Renate Kopp ◽  
Raimund Schnegg ◽  
Reinhard Dallinger
Keyword(s):  
Gene Expression ◽  
Land Snails ◽  
Metallothionein Gene
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