scholarly journals Effect of Light Intensities and Temperatures on the Flower Color Pattern of Petunia hybrida VILM. grandiflora HORT

1971 ◽  
Vol 8 (2) ◽  
pp. 126-129 ◽  
Author(s):  
Taikichi TAKANO ◽  
Fumio YOSHIKAWA ◽  
Makoto SISA
Keyword(s):  
Petunia Hybrida ◽  
Flower Color ◽  
Color Pattern ◽  
Light Intensities ◽  
Flower Color Pattern ◽  
Effect Of Light

scholarly journals Genetics of the Star Mutation in Petunia ×hybrida

HortScience ◽  
2006 ◽  
Vol 41 (4) ◽  
pp. 1007C-1007
Author(s):  
Robert Griesbach ◽  
Ron Beck
Keyword(s):  
Gene Expression ◽  
Gene Silencing ◽  
Structural Gene ◽  
Petunia Hybrida ◽  
Human Cancer ◽  
Flower Color ◽  
Color Pattern ◽  
Model System ◽  
Wide Range ◽  
Flower Color Pattern

Differences in structural gene expression are responsible for a wide range of responses from human cancer to patterned flowers. Gene silencing is one of the ways in which gene expression is controlled. We have developed a model system to study gene silencing using a gene silencing mutation in Petunia ×hybrida (Star mutation) and the ability of certain viruses to reverse the silencing mutation. This model system was used to characterize how the Star flower color pattern was controlled.

scholarly journals A New Gene for Flower Color Pattern, White Banner (wb), in Progeny of an Interspecific Hybrid between Common and Scarlet Runner Beans

1993 ◽  
Vol 118 (6) ◽  
pp. 878-880 ◽  
Author(s):  
Mark J. Bassett
Keyword(s):  
Recessive Gene ◽  
Flower Color ◽  
Plant Introduction ◽  
Color Pattern ◽  
Dry Bean ◽  
Genetic Stocks ◽  
Flower Color Pattern ◽  
New Gene ◽  
The Cross ◽  
Scarlet Runner Bean

A new gene for flower color pattern, designated white banner (WB), appeared in material derived from the cross `Harvester' snap bean (Phaseolus vulgaris L.) × Plant Introduction (PI) accession 273666 of scarlet runner bean (P. coccineus L.). The WB character has a white banner petal and pale violet wings (veronica-violet 639/2). The inheritance of the mutant was studied in crosses involving dry bean breeding line 5-593, which has bishops-violet (wild-type) flowers, and genetic stocks v BC2 5-593 (white flowers) and blu BC2 5-593 (blue flowers). Segregation in F2 and F3 progenies from the cross v BC2 5-593 × WB supported the hypothesis that WB is controlled by a single recessive gene that is nonallelic with the V locus. An allelism test with blu BC2 5-593 gave evidence that WB is not allelic with the blu locus. The gene symbol wb is proposed for the gene producing WB.

Transposon-Induced Inversion in Antirrhinum Modifies nivea Gene Expression to Give a Novel Flower Color Pattern under the Control of cycloidea radialis

1993 ◽  
Vol 5 (11) ◽  
pp. 1541 ◽  
Author(s):  
Clare Lister ◽  
David Jackson ◽  
Cathie Martin
Keyword(s):  
Gene Expression ◽  
Flower Color ◽  
Color Pattern ◽  
Flower Color Pattern

scholarly journals Transposon-induced inversion in Antirrhinum modifies nivea gene expression to give a novel flower color pattern under the control of cycloidearadialis.

1993 ◽  
Vol 5 (11) ◽  
pp. 1541-1553 ◽  
Author(s):  
C Lister ◽  
D Jackson ◽  
C Martin
Keyword(s):  
Gene Expression ◽  
Flower Color ◽  
Color Pattern ◽  
Flower Color Pattern

scholarly journals Combined Effect of Light and Temperature on the Production of Saxitoxins in Cylindrospermopsis raciborskii Strains

Toxins ◽  
2019 ◽  
Vol 11 (1) ◽  
pp. 38 ◽  
Author(s):  
Marcella Mesquita ◽  
Miquel Lürling ◽  
Fabiane Dorr ◽  
Ernani Pinto ◽  
Marcelo Marinho
Keyword(s):  
Maximum Growth ◽  
Combined Effect ◽  
Cylindrospermopsis Raciborskii ◽  
Tropical Regions ◽  
Batch Cultures ◽  
Light Intensities ◽  
Cell Quota ◽  
Wide Range ◽  
Lower Light ◽  
Effect Of Light

Cylindrospermopsis raciborskii is a potentially toxic freshwater cyanobacterium that can tolerate a wide range of light and temperature. Due to climatic changes, the interaction between light and temperature is studied in aquatic systems, but no study has addressed the effect of both variables on the saxitoxins production. This study evaluated the combined effect of light and temperature on saxitoxins production and cellular quota in C. raciborskii. Experiments were performed with three C. raciborskii strains in batch cultures under six light intensities (10, 40, 60, 100, 150, and 500 μmol of photons m−2 s−1) and four temperatures (15, 20, 25, and 30 °C). The growth of C. raciborskii strains was limited at lower temperatures and the maximum growth rates were obtained under higher light combined with temperatures equal or above 20 °C, depending on the strain. In general, growth was highest at 30 °C at the lower light intensities and equally high at 25 °C and 30 °C under higher light. Highest saxitoxins concentration and cell-quota occurred at 25 °C under high light intensities, but were much lower at 30 °C. Hence, increased temperatures combined with sufficient light will lead to higher C. raciborskii biomass, but blooms could become less toxic in tropical regions.

Does light intensity affect embryonic development of squid (Heterololigo bleekeri)?

2004 ◽  
Vol 84 (6) ◽  
pp. 1215-1219 ◽  
Author(s):  
Yuzuru Ikeda ◽  
Kingo Ito ◽  
Gen Matsumoto
Keyword(s):  
Body Size ◽  
Light Intensity ◽  
Embryonic Development ◽  
Early Stage ◽  
Constant Darkness ◽  
Light Intensities ◽  
Development Duration ◽  
Experimental Group ◽  
Effect Of Light

The effect of light intensity on the course of embryonic development of squid (Heterololigo bleekeri) was examined. Heterololigo bleekeri embryos at an early stage were incubated in the egg cases under six to seven gradients of light intensities which varied from constant darkness to intensive light >1000 lx (12L:12D for all experimental groups except for the constant darkness group). Duration of hatching in every experimental group ranged from seven to 15 days with a peak for ≈30–50% of total number of hatchlings. However, there were no particular relationships between light intensities and duration of embryonic development, duration of hatching, number of hatchlings at hatching peak, and body size of hatchlings. In all groups, body size of hatchlings increased up to seven days post-hatching and thereafter did not change remarkably. Just after hatching, strongly positive photo taxis was observed for H. bleekeri

The effect of light intensities on the transcript level of proteins involved in photosynthesis in mustard plants

1996 ◽  
Vol 149 (1-2) ◽  
pp. 79-85 ◽  
Author(s):  
Astrid Gall ◽  
Lucia Wild-Peters ◽  
Helga Schmadel-Hagebölling ◽  
Aloysius Wild
Keyword(s):  
Transcript Level ◽  
Light Intensities ◽  
Effect Of Light
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