Storage protein gene expression has been studied in relation to mitotic activity to ascertain whether these processes are linked during embryo development in pea. Sections from immature pea embryos were probed by in situ hybridisation to show the pattern of vicilin storage protein gene expression. In addition, the location of mitotic cells was identified using fluorescence microscopy. Vicilin m...

The cryopreservation of immature GV oocytes by vitrification is offering attractive perspectives, since they represent an important pool of germ cells for women undergoing IVM cycles, or at risk of infertility for OHSS or PCOs, particularly those poor responders to gonadotropin stimulation, or in case of cancer. Therefore, it becomes necessary to optimize both cryopreservation technique as well...

Background Mesenchyme stem cells (MSCs) are one of the widely used sources in tissue engineering and efficacy of cultural environment. In this survey, rat stem cells are used as coculture. Owing to main obstacle of embryo culture in the lab medium, the survival of embryo in lab is low in comparison with that of normal conditions. The purpose of this research is the survey of fertilization and c...

The effect of seed coat removal on the synthesis of alpha-amylase isoenzymes in wheat was investigated. The immature wheat endosperm-aleurone (seed coat and embryo detached) produced considerably less alpha-amylase activity than immature whole or de-embryonated wheat kernels, when incubated under identical conditions of 18.5 C and 99% humidity, in the presence or absence of gibberellic acid (GA...

Lymphohematopoietic progenitors derived from midgestation mouse embryos were established in long-term cultures with stromal cell monolayers and interleukin 7 (IL-7), giving rise to B-lineage cell lines. The initial emergence and in vitro establishment of these early embryo cell lines were highly sensitive to IL-7-mediated signals, in comparison to cell lines similarly obtained using precursors ...

Zygotic embryos excised from immature green fruits of the rattan palm, Calamus thwaitesii and cultured for 16 weeks under optimum culture conditions in Murashige and Skoog (MS) medium supplemented with 31.67 μM 2,4-dichlorophenoxyacetic acid (2,4-D) and 35.23 μM 2,4,5-trichlorophenoxyacetic acid (2,4,5-T) produced mixed (compact and friable) calli at 70 and 92 % rates. The semi-friable part of ...

Alpha-fetoprotein is an oncofetal protein the embryo produces during fetal development. The serves two critical functions simultaneously: it delivers nutrients to growing cells and immature myeloid-derived suppressor cells, so mother’s immune system doesn’t attack embryo. present in minuscule amounts adults elevated alpha-fetoprotein levels serve as pregnancy or tumor markers. Exogenous has a n...

Small bodies, comparable in their morphology with that of the early developmental stages of mammalian embryos, are observed uncommonly in certain testicular teratomata (Melicow, 1940; Dixon and Moore, 1953; Evans, 1956); and although an enormous number of these embryolike structures may be scattered haphazardly throughout a teratomatous growth, it is only rarely that such bodies (Figs. 2, 5) mi...

An efficient Agrobacterium-mediate transformation method was developed by employing different duration of sonication, Agrobacterium strains, type of inoculation medium and concentrations of acetosyringone in Arya cultivar of wheat. Immature embryos were used as an explant for inoculation with Agrobacterium tumefaciens harboring the recombinant pBI121 plasmid. Among the durations of sonication t...

The inferior oocytes (IOs), which are not suitable for embryo development, occupy roughly one-third or more of the collected immature bovine oocytes. The IOs are usually discarded from the in vitro bovine embryo production process. Improving the quality of the inferior oocytes (IOs) and make them available in in vitro embryo production would have important biological, as well as commercial, val...