نتایج جستجو برای: cell transformation

تعداد نتایج: 1819301  

2004
Camri L. Langbecker Guang-Ning Ye Debra L. Broyles Lisa L. Duggan Charles W. Xu Jeffrey M. Staub

Although leaf chloroplast transformation technology was developed more than a decade ago, no reports exist of stable transformation of undeveloped plastids or other specialized plastid types, such as proplastids, etioplasts, or amyloplasts. In this work we report development of a dark-grown tobacco suspension cell model system to investigate the transformation potential of undeveloped plastids....

Journal: :Plant physiology 2004
Camri L Langbecker Guang-Ning Ye Debra L Broyles Lisa L Duggan Charles W Xu Peter T J Hajdukiewicz Charles L Armstrong Jeffrey M Staub

Although leaf chloroplast transformation technology was developed more than a decade ago, no reports exist of stable transformation of undeveloped plastids or other specialized plastid types, such as proplastids, etioplasts, or amyloplasts. In this work we report development of a dark-grown tobacco suspension cell model system to investigate the transformation potential of undeveloped plastids....

2006
Ayako Sakai

In vitro cell transformation assays have been proposed for predicting the carcinogenic potential of chemicals. Morphological transformation can be induced by exposing mammalian cells to carcinogens. The cellular and molecular processes involved in cell transformation in the cultures are assumed to be similar to those of in vivo carcinogenesis. BALB/c 3T3 is an established cell line transformabl...

Journal: :Brazilian Journal of Medical and Biological Research 1999

Journal: :international journal of iron & steel society of iran 2010
m. n. yoozbashi s. yazdani t. s. wang

bainitic transformation at low transformation temperatures leads to a microstructure involving fine plates of bainitic ferrite and thin films of retained austenite. this microstructure has shown ultimate tensile strength of about 2.2 gpa, noticeable uniform elongation in the range of 5 to 30%, hardness values of about 600 to 670 hv and impact toughness in the range of 30 to 40 mpa m1/2. with ca...

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