Abstract：
:The possibility of sperm as a vehicle to deliver foreign DNA to oocytes was tested in hamsters. Epididymal spermatozoa, incubated with linearized plasmid DNA encoding ovine growth hormone (pCMXoGH), showed a spontaneous tendency to interact with DNA. Kinetics of sperm uptake of DNA was determined by using [32P]-labeled DNA. Spermatozoa took up the added DNA by 15-30 min and the uptake was inhibited by human seminal fluid in a dose dependent manner. Addition of DNA did not affect the functional competence of spermatozoa, in terms of their ability to undergo capacitation and acrosome reaction (34.5% +/- 2.2 vs 35% +/- 1.5). The fertilizing ability of DNA treated-spermatozoa from hamsters and humans was assessed by zona-free hamster egg penetration assay. Number of sperm penetrated per oocyte were 23 +/- 4.5 and 1.4 +/- 1.3 for hamster and human spermatozoa, respectively. Penetrated oocytes harbored sperm-treated DNA both with hamster (30.2 cpm/oocyte) and human (19.2 cpm/oocyte) spermatozoa. These results show that the hamster and human spermatozoa have a strong tendency to interact with exogenous (foreign) DNA and are able to transfer DNA to oocytes. Sperm may be used as a vector for DNA transfer and this approach has potential in the production of transgenic animals.
journal_name
Indian J Exp Bioljournal_title
Indian journal of experimental biologyauthors
Fernandez MA,Mani SA,Rangarajan PN,Seshagiri PBkeywords:
subject
Has Abstractpub_date
1999-11-01 00:00:00pages
1085-92issue
11eissn
0019-5189issn
0975-1009journal_volume
37pub_type
杂志文章abstract：:Naturally fertilized Microhyla ornata and Xenopus laevis embryos at dorsal lip of blastopore stage were exposed to 0.3, and 0.6% sodium chloride for high salinity treatment and dilute hydrochloric acid and sodium hydroxide for treatment with low and high pH, respectively. After treatment for different durations, embry...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：2012-08-01 00:00:00
abstract：:Dicarboxylic acids and a few amino acids were found to support mitochondrial phosphorylation in A. ceylanicum. Anaerobiasis markedly reduced this activity. Maximum effect was observed on succinate supported phosphorylation which in anaerobic atmosphere yielded only 2% ATP compared to that in the presence of air. Known...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：1990-06-01 00:00:00
abstract：:To study antimicrobial activity of shallot in comparison with that of garlic and onion against 23 strains of fungi and bacteria, water extracts of garlic, shallot and onion bulbs were prepared. Each extract was studied in different forms for their antimicrobial activity viz., fresh extract, dry extract and autoclaved ...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：2005-08-01 00:00:00
abstract：:Aqueous extract of Andrographis paniculata was examined for antioxidant activity using rat liver subcellular organelles as model systems. The study deals with two important biological oxidative agents, ascorbate-Fe(+2) and AAPH generating hydroxyl and peroxyl radical, respectively. Oxidative damage was examined agains...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：2007-11-01 00:00:00
abstract：:Here, we investigated the quantitative and qualitative differences in antibody classes and subclasses in serum immune complexes (ICs) of Visceral Leishmaniasis (VL), Post Kala-azar Dermal Leishmaniasis (PKDL) and different cross reactive diseases like Malaria, Leprosy, Vitiligo as compared to control subjects. IC leve...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：2015-06-01 00:00:00
abstract：:The present study deals with the effect of butylated hydroxy anisole, propyl gallate and alpha-tocopherol on ATPase activity of brain and heart in ageing male mice. The activity of both the tissues significantly increased during pre-reproductive and reproductive phases. However, during the post-reproductive phase, ATP...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：1992-04-01 00:00:00
abstract：:Reperfusion injury is remarkable clinical issue that needs to be resolved as ischemia-reperfusion is a common phenomenon encountered in numerous clinical situations. The present communication report the involvement of nitric oxide (NO) in cardioprotection offered by flavonoids (rutin and quercetin) against myocardial ...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：2011-03-01 00:00:00
abstract：:A bioactive compound with antibacterial activity was isolated and purified from the extract of leaves of sunflower, Helianthus annuus. The bioactive compound was characterized using 1H and 13C NMR. The compound induced auxin, gibberellins and cytokinin in Oryza sativa and Phaseolus mungo. It also showed activity again...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：2008-12-01 00:00:00
abstract：:Development of knowledge on lipids has attracted the scientific community for the effective utilization of the natural and synthetic lipids. Bioavailability of poorly water soluble drugs from gastrointestinal tract (GIT) can be enhanced by formulating the drugs in lipid based formulations. This formulation can increas...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章,评审
doi：
更新日期：2004-11-01 00:00:00
abstract：:A set of 25 Kanagawa(+) and Kanagawa(-) strains of V. parahaemolyticus was studied for their ability to degrade hydrocarbons in minimal media. All strains gave positive results with respect to crystal violet (CV), methyl violet, liquid paraffin, benzene, naphthalene and phenol. The CV double ring (CVDR) response had e...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：1994-09-01 00:00:00
abstract：:Using polyclonal antibodies generated against human seminal plasma inhibin (10.5 KDa), immunocytochemical localization was carried out in paraffin embedded tissue sections of human endometrial biopsies obtained at various phases of the menstrual cycle. A positive reaction which indicated the presence of inhibin was ch...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：1991-10-01 00:00:00
abstract：:Substance P (SP) and neurotensin (NT), two structurally related peptides with contrasting biological actions, have been shown to have some role in peripheral reproductive processes. Intrauterine microinjection of SP or NT on day 4 or 5 of pregnancy in the rat significantly reduced the number of viable fetuses, weight ...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：1992-02-01 00:00:00
abstract：:A cyclic colony of P. papatasi was successfully established, using wild caught females. The major obstacle in the colonization was infestation of fungus, which was solved when bentonite, a dehydrant was mixed in the larval diet i.e., powdered and sterilized faecal pellets of rabbit. The average duration of development...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：1992-10-01 00:00:00
abstract：:Mechanism of microtuberization in three elite cultivars kufri badhsha (KB), kufri chandramukhi (KCM) and kufri jawahar (KJ) of potato was studied. Sprouts of all the three cultivars were used to obtain in vitro shoot cultures. MS medium supplemented with chlorocholine chloride was found to be most suitable for all the...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：2004-12-01 00:00:00
abstract：:The Internet is a massive expanding body of information, which is likely to play a significant role for clinicians and researchers across the world. Since its inception in December 1969 the Internet has grown rapidly and is anticipated to expand 1,000% in the coming next few years. Various useful databases on human ge...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章,评审
doi：
更新日期：2001-06-01 00:00:00
abstract：:In malaria, development of resistance towards artemisinin derivatives has urged the need for new drugs or new drug combinations to tackle the drug resistant malaria. We studied the fresh root extract of Vetiver zizanioides (Linn.) Nash (VET) with a CDRI-CIMAP antimalarial α/β arteether (ART) together for their antimal...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：2016-05-01 00:00:00
abstract：:Leprosy bacillus (LB) and leprosy derived in vitro culture forms, the chemoautotrophic nocardioform (CAN) bacteria, showed an extremely close homology and identity with each other as regards a chemoautotrophic nutritional pattern, a nocardioform morphology, a weak acid-fastness coupled with Gram and Gomori's stain pos...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章,评审
doi：
更新日期：2001-10-01 00:00:00
abstract：:Drought stress is one of the major factors affecting nitrogen fixation by legume-rhizobium symbiosis. Several mechanisms have been previously reported to be involved in the physiological response of symbiotic nitrogen fixation to drought stress, i.e. carbon shortage and nodule carbon metabolism, oxygen limitation, and...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章,评审
doi：
更新日期：2003-10-01 00:00:00
abstract：:Three lipophilic amide derivatives of phthaloyl-GABA (P-GABA), namely gamma-phthalimido N-amyl butyramide (PGA), gamma-phthalimido-N-hexylbutyramide (PGH) and gamma-phthalimido N-phenylbutyramide (PGP), were synthesized and evaluated for their hypnotic and anticonvulsant activities in mice. Both PGA and PGH showed mod...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：1992-07-01 00:00:00
abstract：:Using indirect immuno-peroxidase staining technique, localization of immunoreactive follicle-stimulating hormone (IR-FSH) is demonstrated in the cytoplasm of the epithelial cells of normal human stomach. In view of their triangular shape and central nucleus and their predominance in the intermediate glands of the gast...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：1990-02-01 00:00:00
abstract：:Cockroaches are inhabitant of sewers and frequent visitors of kitchen and stores in the night to feed on left over. It is liable to disseminate a number of pathogens by contaminating kitchen surface, feeding vessels and food items left open. Salmonella paratyphi B var Java a common pathogen of man and animal was used ...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：1995-05-01 00:00:00
abstract：:Cheek gland secretions from sexually mature and reproductively active male and female laboratory rats (Wister strain), Rattus norvegicus albinus were analysed by gas chromatography/mass spectroscopy. Alkanes, aliphatic acids esters and alcohols were identified in the secretions. Cheek gland preparation from males cont...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：2001-09-01 00:00:00
abstract：:Reduction of p-benzoquinone to hydroquinol has been studied using Saccharomyces cerevisae and S.uvarum. Maximum conversion of p-Benzoquinone (p-BQ) to Hydroquinol (HQ) at a substrate concentration of 6%. S. cerevisae was found to be better than S. uvarum. No further conversion did take place after 60 hr. Optical innoc...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：1995-01-01 00:00:00
abstract：:Significant reduction (68.38%) in sheath blight disease of rice was noticed when foliar spray of a systemic fungicide, kitazin (480 micrograms mg-1), was applied twice at an interval of 2 days before inoculation. SDS-PAGE analysis of proteins of Rhizoctonia-infected rice leaf sheaths revealed the presence of 16 protei...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：1997-06-01 00:00:00
abstract：:Effect of polyherbal formulation Ambrex was evaluated in butylated hydroxytoluene (BHT) induced toxicity of lungs and liver in rats. Toxicity was produced by administering BHT (500 mg/kg/day) for 3 days. Lung damage was evidenced by elevated levels of broncho alveolar lavage fluid (BAL) parameters such as protein, lac...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：2003-11-01 00:00:00
abstract：:Adrenal delta5-3beta-hydroxysteroid dehydrogenase (delta5-3beta-HSD) activity and serum corticosterone level were significantly higher in rats fed with 5% casein or 4% albumin diets after 1 hr of ether anaesthetic stress as compared to the controls, 5% casein and 20% casein (equivalent to 4% albumin) respectively. Eth...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：2003-04-01 00:00:00
abstract：:Cells dissociated from spontaneous and transplanted tumours of C3HJax mammary gland have been cultured on polylysine and gelatin substrates. The isolated cells proliferated to form monolayers with high degree of organoid structure as indicated by formation of alveolar cavities. Differences were observed in the cell at...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：1992-09-01 00:00:00
abstract：:In the experimental group (shh inhibited group), there were significant decreases in the expression of Oct4, Nanog, Shh, GATA4, Brachyury and Goosecoid, while increases were observed for TAT and Pdx1. The expression of Sox17 did not differ between two control and experimental groups. In experimental group, the amount ...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：2013-03-01 00:00:00
abstract：:Since aging is the most important risk factor for variety of diseases, the discovery of a wide range of chemical modulators of aging in model organisms encourages new strategies for targeting age associated diseases. Simple genetic manipulation leads to long-lived and healthy animals, so any compound which could have ...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：2013-07-01 00:00:00
abstract：:Effects of sublethal doses of metal (Cu, Cd, Zn) mixtures on the activities of key respiratory enzymes (succinate dehydrogenase, SDH and glyceraldehyde dehydrogenase, GDH) and their recovery following withdrawal of treatments were studied in the freshwater fish O. mossambicus. On the basis of 96 hr LC50 Cu was highly ...
journal_title：Indian journal of experimental biology
pub_type： 杂志文章
doi：
更新日期：1992-06-01 00:00:00
