infertility/carbohydrate

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Sterility of three brothers in connection with a disturbed carbohydrate metabolism in semen.

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Sterile semen of three brothers was investigated biochemically. Most strikingly was the strong similarity of both the amino acid and the carbohydrate composition of the semen. Inside the spermatozoa much more fructose and glucose was present than normally is found. It could be shown that in the

The histochemistry of complex carbohydrates in the testes of patients of idiopathic male infertility.

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In testis tissues from patients with idiopathic male infertility, complex carbohydrates have been studied by means of light microscopic histochemical methods, comparisons being made with the normal testes. In the infertile testes, histochemical reactions for acidic and neutral complex carbohydrates

[Infertility and carbohydrate metabolism. A study of 93 cases (author's transl)].

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An oral glucose tolerance test was performed in 93 women with unexplained infertility (sterility or repeated abortions). An abnormal carbohydrate metabolism was found in 1/3 of the cases (32 patients). Advice on diet control, provided to all of these patients, was followed only by 13.9 of these, who

Carbohydrate metabolism and the temporal occurrence of a serotonin-like indole in the male and female reproductive tract and its relationship with PGF and infertility: a review.

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Both in the male and in the female reproductive tract glucose can be converted via either the pentose pathway or the sorbitol pathway. It is shown that a disturbed carbohydrate metabolism can lead to infertility, i.e. in the cow and in the bull semen. Evidence is provided that the serotonin-like

Anther-specific carbohydrate supply and restoration of metabolically engineered male sterility.

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Male-sterile plants are used in hybrid breeding as well as for gene confinement for genetically modified plants in field trials and agricultural production. Apart from naturally occurring mutations leading to male sterility, biotechnology has added new possibilities for obtaining male-sterile

Induction of Male Sterility in Wheat by Meiotic-Stage Water Deficit Is Preceded by a Decline in Invertase Activity and Changes in Carbohydrate Metabolism in Anthers.

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Water deficit during meiosis in pollen mother cells of wheat (Triticum aestivum L.) induces male sterility, which can reduce grain set by 40 to 50%. In plants stressed during meiosis and then rewatered, division of pollen mother cells proceeds normally but subsequent pollen development is arrested 3

Induction of male sterility in plants by metabolic engineering of the carbohydrate supply.

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Extracellular invertase mediates phloem unloading via an apoplastic pathway. The gene encoding isoenzyme Nin88 from tobacco was cloned and shown to be characterized by a specific spatial and temporal expression pattern. Tissue-specific antisense repression of Nin88 under control of the corresponding

Down-regulation of the Sucrose Transporter CsSUT1 Causes Male Sterility by Altering Carbohydrate Supply.

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In plants, male sterility is an important agronomic trait, especially in hybrid crop production. Many factors are known to affect crop male sterility, but it remains unclear whether Suc transporters (SUTs) participate directly in this process. Here, we identified and functionally characterized the

Comparative transcriptome analysis reveals carbohydrate and lipid metabolism blocks in Brassica napus L. male sterility induced by the chemical hybridization agent monosulfuron ester sodium.

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BACKGROUND Chemical hybridization agents (CHAs) are often used to induce male sterility for the production of hybrid seeds. We previously discovered that monosulfuron ester sodium (MES), an acetolactate synthase (ALS) inhibitor of the herbicide sulfonylurea family, can induce rapeseed (Brassica

A prospective study of dietary carbohydrate quantity and quality in relation to risk of ovulatory infertility.

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OBJECTIVE To evaluate whether the amount or quality of carbohydrate in diet is associated with ovulatory infertility. METHODS In total, 18,555 married, premenopausal women without a history of infertility were followed as they attempted a pregnancy or became pregnant during an 8-year period. Diet

Enzyme activities and protein and carbohydrate concentrations in cervical secretions at dioestrus in normal ewes and ewes with permanent phytooestrogenic infertility.

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Cervical secretions of clover-affected and control ewes in the luteal phase of the ovarian cycle were obtained by flushing the anterior vagina. The flushings were analysed for proteins, carbohydrates and enzyme activities, and were found to be similar to the secretions of the normal ovine uterus.

Identification of Proteins Involved in Carbohydrate Metabolism and Energy Metabolism Pathways and Their Regulation of Cytoplasmic Male Sterility in Wheat.

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Cytoplasmic male sterility (CMS) where no functional pollen is produced has important roles in wheat breeding. The anther is a unique organ for male gametogenesis and its abnormal development can cause male sterility. However, the mechanisms and regulatory networks related to plant male sterility

[The histochemistry of the testis tissues from patients of idiopathic male infertility. Report II. Studies on complex carbohydrate (localization of galactose residues) (author's transl)].

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[The histochemistry of the testis tissues from patients of idiopathic male infertility. Report I. Studies on complex carbohydrate (localization of acid mucopolysaccharides) (author's transl)].

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Utility and sterility of TAB injection, an amino acid solution with carbohydrates and electrolytes for total parenteral nutrition, packaged in a dual-chambered plastic bag.

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