نتایج جستجو برای: vanessa f1 hybrid

تعداد نتایج: 213673  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2017
Li Wang Li Min Wu Ian K Greaves Anyu Zhu Elizabeth S Dennis W James Peacock

F1 hybrids in Arabidopsis and crop species are uniform and high yielding. The F2 generation loses much of the yield advantage and the plants have heterogeneous phenotypes. We generated pure breeding hybrid mimic lines by recurrent selection and also selected a pure breeding small phenotype line. The hybrid mimics are almost completely homozygous with chromosome segments from each parent. Four p...

2015
Vaishnavi Ragavapuram Emily Elaine Hill Scott Everet Baird

Haldane's Rule and Darwin's Corollary to Haldane's Rule are the observations that heterogametic F1 hybrids are frequently less fit than their homogametic siblings, and that asymmetric results are often obtained from reciprocal hybrid crosses. In Caenorhabditis, Haldane's Rule and Darwin's Corollary have been observed in several hybrid crosses, including crosses of Caenorhabditis briggsae and C....

Journal: :علوم گیاهان زراعی ایران 0
محمد رضا سبزعلیان قدرت الله سعیدی آقافخر میرلوحی

although wild safflower (c.oxyacantha, 2n=24) has not been studied to a very large extent, yet it is believed that it can be used as an important source of biotic and abiotic stress resistance genes for improvement of cultivated safflower (c.tinctorius l., 2n=2x=24). in this study, the crossability between these two (cultivated and wild safflower) species was evaluated as based upon morphology ...

Journal: :The Journal of Experimental Medicine 1975
A E Beer J R Scott R E Billingham

Studies conducted upon inbred strains of mice, hamsters and rats have shown that following the interstrain matings the now familiar covert reactivity of pregnant females to the alloantigens of their conceptuses may benefit the latter in two ways; firstly, it exerts a significant influence upon placental weight, and indirectly upon the birth weight of the fetus-allogeneic placentas tending to be...

Journal: :The Journal of Experimental Medicine 1984
G Drizlikh J Schmidt-Sole B Yankelevich

Irradiated (H-2b X H-2k)F1 and (H-2b X H-2d)F1 recipients strongly resist the growth of H-2b parental bone marrow cells and do not resist marrow grafts from non-H-2b parents such as C3H and BALB/c. This phenomenon of hybrid resistance has been shown to be under genetic control of the H-2D-linked loci and was interpreted by Cudkowicz (9) as due to the existence of H-2D-linked recessive hemopoiet...

Journal: :The Journal of clinical investigation 1994
R Merino M Iwamoto M E Gershwin S Izui

To investigate the specific contribution of select MHC class II genes on the development of murine lupus, H-2 congenic (NZB x BXSB)F1 hybrid mice bearing either H-2b/b, H-2d/b, or H-2d/d haplotypes were generated. We compared the clinical development (autoantibody production and glomerulonephritis) of systemic lupus erythematosus (SLE) in these three F1 hybrids in the presence or absence of the...

2014
R. C. Venu Jianbing Ma Yulin Jia Guangjie Liu Melissa H. Jia Kan Nobuta M. V. Sreerekha Karen Moldenhauer Anna M. McClung Blake C. Meyers Guo-Liang Wang

To identify the genes responsible for yield related traits, and heterosis, massively parallel signature sequencing (MPSS) libraries were constructed from leaves, roots and meristem tissues from the two parents, 'Nipponbare' and '93-11', and their F1 hybrid. From the MPSS libraries, 1-3 million signatures were obtained. Using cluster analysis, commonly and specifically expressed genes in the par...

2017
Xingfeng Li Zhenqiao Song Yinguang Bao Honggang Wang

1 In this study, we conducted comparative transcriptome analysis between homozygous dominant 2 parent and heterozygous F1 hybrid with homozygous recessive parent in qualitative trait study of 3 common wheat (Triticum aestivum L.). Two sets of near-isogenic lines (NILs) were used: one set of 4 NILs carrying powdery mildew resistance and susceptible Pm2 alleles, the other set of NILs carrying 5 d...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1986
R Miskimins H Ebato T N Seyfried R K Yu

Poly(A)+ mRNA was isolated from the brains of C57BL/6J (B6), DBA/2J (D2), and F1 hybrid mice (B6 X D2) of 16-17 days of age. The yield of polysomal RNA, both poly(A)+ and poly(A)-, from the three strains of mice was comparable. When translated in vitro in a reticulocyte lysate system, the mRNA preparations had the same efficiency with respect to stimulation of amino acid incorporation into prot...

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