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  • Vigna minima  (4)
  • Inorganic Chemistry  (3)
  • Bombyx mori  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Schiff Base Complexes of Rhodium(I) with Tridentate N-Methyl-S-methyldithiocarbazate Ligands NCL Communication No. 3827. (1986)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 536 (1986), S. 173-178 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Schiffsche Basen-Komplexe des Rhodium(I) mit dreizähnigen N-Methyl-S-methyldithiocarbazat-LigandenSchiffsche Basen aus der Kondensation von β-Diketonen mit N-Methyl-S-methyl-dithiocarbazaten ergeben bei Reaktion mit [Rh(μ-Cl)(CO)2]2 cis-Dicarbonyl-Komplexe Rh(CO)2(Schiff). Die aus aromatischen Aldehyden erhaltenen bilden trans-Dicarbonyl-Komplexe. Mit einem Überschuß von Triphenylphosphin ergeben diese Komplexe nur Rh(CO)(PPh3)(Schiff). Cis-1,5-cyclooctadien (COD) reagiert mit cis-Dicarbonyl-Komplexen zu carbonylfreien Produkten Rh(COD)(Schiff); gleiche Reaktionen wurden bei trans-Dicarbonyl-Komplexen beobachtet. Oxydative Addition von Brom an diese Komplexe ergibt Dibromderivate, in denen die Schiffsche Base als zweizähniger Ligand wirkt, Rh(PPH3)2(Schiff)-Komplexe wurden durch Reaktion oben genannter Schiffscher Basen mit Rh(PPh3)3Cl erhalten. Die Strukturen dieser neuen Komplexe wurden auf Grund von IR-und 1H-NMR-Spektren bestimmt.
    Notes: Schiff bases derived from the condensation of β-diketones with N-methyl-S-methyldithiocarbazates yield cis dicarbonyl complexes Rh(CO)2 (Schiff) on reaction with [Rh(μ-Cl)(CO)2]2. Those derived from aromatic aldehydes form trans dicarbonyl complexes. These complexes with excess of triphenylphosphine give only Rh(CO)(PPh3)(Schiff). cis-1,5-cyclooctadiene (COD) reacts with cis dicarbonyl complexes to yield the carbonyl-free product Rh(COD)(Schiff); similar reactions have not been observed in the case of trans-dicarbonyl complexes. Oxidative addition of bromine to these complexes yields dibromo derivative in which the Schiff base acts as bidentate chelate. Rh(PPh3)2(Schiff) complexes have been obtained from the reaction of above Schiff bases with Rh(PPh3)3Cl. The structures of these new complexes have been determined based on IR and 1H NMR spectra.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19865360520
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  • 2
    Electronic Resource
    Electronic Resource
    Novel chelated compounds of Bis-β-carbomethoxyethltin(IV) (1980)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 465 (1980), S. 204-208 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Neue Chelate des Bis-β- Carbomethoxyethlzinn(IV)Zwei- und dreizähnige Chelatinganden (s. Abstract) Können die Chloratome des Bis-β-carbomethoxethyldichlozinn(IV) unter Bildung neuer stabiler Chelatverbindungen ersetzen. Bromierung dieser Verbindungen unter milden Bedingungen zeigt, daß die Chelatinganden bevorzugt abgespalten werden. Die neun Verbindungen werden durch Elementaranalyse, IR- und PMR-Spektren sowie Molekulargewichtsbestimmungen Charakterisiert und mögliche Strukturen werden Vorgeschlagen.
    Notes: Bi- and tri-denate Chelating ligands (acetylacetone, salicylasehyde, 8-hydroxy quinoline, dibenzoylmethane, benzoyl phenhydroxlmanine, 2-hydroxy benzophenone, 2-hydroxy 4-methoxy benzophenone and salichyaldine) replace cholrine atoms of bis-β-carbomethoxyethyl dischlorotin (IV) to form new stable Cheleted compounds. Bromination studies under mild conditions indicate that in these compounds the Cheleated ligand part is preferentially cleaved. The new compounds are characterized by elemental analysis. IR and PMR spectra and molecular weight, and possible structures have been assigned.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19804650124
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  • 3
    Electronic Resource
    Electronic Resource
    Cationic Ruthenium(II) Carbonyl Complexes with Nitrile LigandsNCL Communication No. 3625. (1985)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 527 (1985), S. 203-207 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Kationische Carbonyl-Ruthenium(II)-Komplexe mit Nitril-LigandenStabile kationische Komplexe vom Typ [RuCO(PPh3)2(L)RCN]+[ClO4]-, mit Acetonitril bzw. Acrylonitril wurden dargestellt. Als zweizähnige Liganden (LH) dienten Acetylaceton, Benzoylaceton, Dibenzoylmethan, Trifluorothenoylaceton und 8-Hydroxochinolin. Die Komplexe wurden analysiert, ferner durch IR-, 1H- und 31P-NMR-, Leitfähigkeits- und ESCA-Messungen charakterisiert; eine Stereochemie erscheint möglich.
    Notes: Stable cationic complexes of the type [RuCO(PPh3)2(L)(RCN)]+[ClO4]- derived from acetonitrile and acrylonitrile have been synthesized. The bidentate ligands (LH) used are acetylacetone, benzoylacetone, dibenzoylmethane, trifluorothenoyl acetone and 8-hydroxyquinoline. The complexes have been characterized by elemental analysis, IR, conductivity, 1H and 31P NMR and ESCA studies, and possible stereochemistry has been established.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19855270823
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  • 4
    Electronic Resource
    Electronic Resource
    Differential transcription of multiple copies of a silk worm gene encoding tRNA"1^G^l^y
    Amsterdam : Elsevier
    Gene 134 (1993), S. 183-190 
    Details
    ISSN: 0378-1119
    Keywords: Bombyx mori ; RNA polymerase III transcription ; gene family ; negative regulation ; positive regulation ; regulatory elements ; tissue specificity ; transcription factors ; transcription regulation
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0378-1119(93)90092-H
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  • 5
    Electronic Resource
    Electronic Resource
    Determination of trace amounts of 5-methylcytosine in DNA by reverse-phase high-performance liquid chromatography
    Amsterdam : Elsevier
    Analytical Biochemistry 164 (1987), S. 164-169 
    Details
    ISSN: 0003-2697
    Keywords: 5-methylcytosine ; Bombyx mori ; Drosophila melanogaster ; HPLC techniques ; trace analysis
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0003-2697(87)90381-2
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  • 6
    Electronic Resource
    Electronic Resource
    Breeding systems and pollination inVigna minima (Leguminosae, Papilionoideae) (1987)
    Springer
    Plant systematics and evolution 156 (1987), S. 117-126 
    Details
    ISSN: 1615-6110
    Keywords: Angiosperms ; Leguminosae ; Papilionoideae ; Vigna minima ; Polymorphism ; floral breeding systems ; pollination
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Four types of floral breeding systems—(i) chasmogamy, (ii) aerial pseudocleistogamy, (iii) subterranean pseudocleistogamy and (iv) obligate subterranean true cleistogamy—are observed in the populations ofVigna minima inhabiting the Western Ghats (India). Five categories of phenotypes are recognized based on the number and kinds of floral breeding systems found in a given individual. The frequencies of different categories of phenotypes not only show intra- and interpopulation variation, but also fluctuate from generation to generation suggesting differences in the genetic structure of populations. This polymorphism in the breeding system of a single species is unique and may be adaptive. Obligate subterranean true cleistogamy and amphicarpy appear to be adaptations to jungle fires and soil erosion.—The flowers are of the flag-blossom type and insect visitors act as tripping agents. The tripping mechanism together with the polymorphic floral breeding system result in a balanced mixture of selfing and outcrossing. Such a recombination system may enhance the fitness ofV. minima which is essentially a colonizing species.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00936066
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  • 7
    Electronic Resource
    Electronic Resource
    Nutritional potential ofVigna minima (Roxb.) Ohwi and Ohashi: (1987)
    Springer
    Plant foods for human nutrition 36 (1987), S. 357-365 
    Details
    ISSN: 1573-9104
    Keywords: quantitative variation ; fractions of seed proteins ; amino acid composition ; Vigna minima ; Vigna umbellata
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Quantitative variation in different fractions of seed proteins and their amino acid levels in populations ofVigna minima (Roxb.) Ohwi and Ohashi and inV. umbellata cv. IC 1568 — the rice bean — were investigated. Globulin I fraction, together with globulin II, constitutes 38 to 54 per cent of the total seed protein. The alkali soluble (glutelin) fraction is the second largest fraction. Both these fractions show broad range of variation, suggesting a broad genetic base. The profiles are population specific; the coastal population, which contains higher seed protein also possesses maximum levels of globulin I and glutelin fraction suggesting its potentiality for breeding lines with high protein content, high nutritive value, and salt tolerance. Protein content is positively correlated with globulin I and glutelin fractions, which are in turn positively correlated with each other. The amino acid profiles are specific not only to the fractions but also to the populations. The range of variation in the levels of all amino acids in different fractions is broad suggesting substantial genetic diversity. The average levels of lysine and sulphur amino acids are high in globulin I and glutelin fractions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01892357
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  • 8
    Electronic Resource
    Electronic Resource
    Nutritional potential ofVigna minima (Roxb.) Ohwi and Ohashi: (1987)
    Springer
    Plant foods for human nutrition 36 (1987), S. 345-355 
    Details
    ISSN: 1573-9104
    Keywords: seeds ; protein content ; amino acid composition ; yield components ; populations ; Vigna minima ; Vigna umbellata
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract The seed protein content and amino acid composition of 14 natural populations and their three-generation progenies (grown in different locations) belonging toVigna minima (Roxb.) Ohwi & Ohashi and ofV. umbellata cv IC 1568 have been investigated. The populations ofV. minima were sampled from different ecozones of Western Ghats of Kerala and Tamil Nadu (India). The range of variation in protein levels is narrow, but the protein content of the coastal population is higher than the rice bean suggesting its breeding potential for high protein and salt tolerant lines of rice bean. Although the seed protein content shows genotype × environment interaction, there is a substantial genetic variability among the populations. The tenuous relationship between protein content and yield conponents suggest the presence of correlation breakers which can be utilized in breeding programmes of rice bean. There is a broad genetic base in the levels of essential amino acids, and the range of variation observed is higher than that recorded for different species ofVigna andPhaseolus. The wild relative is nutritionally as good as or superior to the cultigen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01892356
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  • 9
    Electronic Resource
    Electronic Resource
    Interspecific hybridization between rice bean (Vigna umbellata) and its wild relative (V. minima): Fertility-sterility relationships (1986)
    Springer
    Euphytica 35 (1986), S. 1017-1022 
    Details
    ISSN: 1573-5060
    Keywords: Vigna umbellata ; rice bean ; Vigna minima ; interspecific hybridization ; crossability relationships
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The pre-and post-fertilization barriers in the interspecific crosses between Vigna umbellata and V. minima were investigated. In the reciprocal crosses (V. minima as the ♂ parent) the entry of pollen tubes into the ovary was delayed by about 4 h, and no seed set was observed. However, no pre-fertilization barriers were encountered in crosses involving V. minima as the ⧫ parent and V. umbellata as the ♂ parent (normal cross). The delay/absence of divisions in the endosperm and the failure of embryo to divide were the post-fertilization barriers responsible for somatoplastic sterility in normal crosses which yielded a few hybrid seeds. The hybrid seeds showed poor germinability. The F1 hybrids were intermediate between the parents in most morphological characters, and are completely sterile for pollen. Backcrossing of F1 hybrid with both the parents did not restore fertility in the progenies. V. minima is considered as the tertiary gene pool of the rice bean.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00028613
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