نتایج جستجو برای: secodary bud

تعداد نتایج: 8968  

Journal: :The Journal of Cell Biology 1995
J Chant J R Pringle

Cells of the yeast Saccharomyces cerevisiae select bud sites in either of two distinct spatial patterns, known as axial (expressed by a and alpha cells) and bipolar (expressed by a/alpha cells). Fluorescence, time-lapse, and scanning electron microscopy have been used to obtain more precise descriptions of these patterns. From these descriptions, we conclude that in the axial pattern, the new b...

Journal: :The Journal of Cell Biology 2007
Nicole LeBrasseur

Acrobatic flexibility of the translocon T he machinery that inserts membrane proteins into the ER is unexpectedly fl exible, say Kida et al. Even with several segments of a multispanning membrane protein already looped around inside the pore, more can be inserted. Proteins are inserted into the ER in eukaryotes and the plasma membrane in prokaryotes by the Sec61-based translocon. Data from seve...

Journal: :Development 1997
N Miyamoto M Yoshida S Kuratani I Matsuo S Aizawa

The homeobox gene Emx2 is a mouse homologue of a Drosophila head gap gene empty spiracles (ems) and is essential for the development of dorsal telencephalon (Yoshida, M., Suda, Y., Matsuo, I., Miyamoto, N., Takeda, N., Kuratani, S. and Aizawa, S. (1997) Development 124, 101-111). At the same time, Emx2 is expressed in the epithelial components of the developing urogenital system and, in Emx2 mu...

Journal: :Mechanisms of Development 1995
Martin Catala Marie-Aimée Teillet Nicole M. Le Douarin

After closure of the posterior neuropore, the caudal part of the embryo designated as the 'tail bud' forms a mass of undifferentiated cells from which the lumbosacral and caudal parts of the body develop. It has been proposed that the tail bud is a homogeneous structure comparable to a blastema (Holmdahl, 1925; Griffith et al., 1992). Another view is that morphogenesis of the tail bud is merely...

2017
YeonKyeong Lee Chithra Karunakaran Rachid Lahlali Xia Liu Karen K. Tanino Jorunn E. Olsen

Whereas long days (LDs) sustain shoot elongation, short days (SDs) induce growth cessation and formation of dormant buds in young individuals of a wide range of temperate and boreal tree species. In specific conifers, including Norway spruce, photoperiodic control of bud development is associated with the formation of a plate of thick-walled cells, denoted as the crown, at the base of the bud. ...

Journal: :Trends in cell biology 2002
Owen Pornillos Jennifer E Garrus Wesley I Sundquist

To spread infection, enveloped viruses must bud from infected host cells. Recent research indicates that HIV and other enveloped RNA viruses bud by appropriating the cellular machinery that is normally used to create vesicles that bud into late endosomal compartments called multivesicular bodies. This new model of virus budding has many potential implications for cell biology and viral pathogen...

Journal: :veterinary research forum 0
belal hassanzadeh central lab, faculty of veterinary medicine, university of tabriz, tabriz, iran arefeh rahemi navid institute of radiology and sonography, tabriz, iran

developing supernumerary limbs is a rare congenital condition that only a few cases have been documented. depending on the cause and developmental conditions, they may be single, multiple or complicated, and occur as a syndrome or associated with other anomalies. polymelia is defined as the presence of extra limb(s) which have been reported in human, mouse, chicken, calf and lamb. it seems that...

Journal: :Plants 2023

Transcriptomic and gene expression analysis have greatly facilitated the identification characterization of transcriptional regulatory factors effectors involved in dormancy progression other physiological processes orchestrated during bud development peach temperate fruit species. Gene measurements are most usually based on average values from several or many individual buds. We performed sing...

خان بابایی, رمضان , فرهادی محلی , سمانه,

Background and Purpose: In vitro maturation of oocyte is a promising technology in treatment of infertility, however, its clinical application is still limited due to poor success rate. This study was devised to evaluate the effect of mouse embryo tail bud co-culture on maturation of immature mouse oocyte. Materials and Methods: Immature oocytes were recovered from NMRI female mice 48hr after ...

Journal: :The Medical journal of Malaysia 2005
L M Lee R Govindaraju S K Hon

Complications that arise from self-cleaning the external ear canal are common. This is a prospective study using standard questionnaire on the practice of ear cleaning in 50 subjects. A loose tip cotton bud was also shown to them to assess if it was acceptable to replace their current cotton bud. Thirty six percent of them clean their ears by introducing an object into the ear canal once or mor...

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