1997
1998 1999
2000 2001
2002 2003
2004 2005
2006 2007
2008Veröffentlichungen Prof. Dr. Klaus H. Hoffmann
1997
1998 1999
2000 2001
2002 2003
2004 2005
2006 2007
2008
Fischer, M., Völkl, W., Hoffmann, K.H. (1997): Hierarchien im Mutualismus zwischen Lasius niger und verschiedenen honigtauproduzierenden Blattlausarten. Mitt. Dtsch. Ges. allg. angew. Entomol. 11: 721-724.
Gäde, G., Hoffmann, K.H., Spring, J.H. (1997): Hormonal regulation in insects: facts, gaps and future directions. Physiol. Reviews 77: 963-1032.
Gäde, G., Lorenz, M.W., Hoffmann, K.H. (1997): Stick insect (Carausius morosus; Phasmatodea: Lonchodidae) brain extract contains multiple fractions with allatostatic activity. Eur. J. Entomol. 94: 361-368.
Hoffmann, K.H., Gerstenlauer, B. (1997): Effects of ovariectomy and allatectomy on ecdysteroid synthesis and ecdysteroid titers during larval-adult development of Gryllus bimaculatus de Geer (Ensifera: Gryllidae). Arch. Insect Biochem. Physiol. 35: 149-158.
Hoffmann, K.H., Lorenz, M.W. (1997): The role of ecdysteroids and juvenile hormones in insect reproduction. Trends Comp. Biochem. Physiol. 3: 1-8.
Hoffmann, K.H. (1997): Ecdysteroids in a "walking worm": Euperipatoides leuckartii (Onychophora,Peripatopsidae). Invertebr. Reprod. Dev. 32: 27-30.
Köllisch, G.V., Lorenz, M.W., Hoffmann, K.H., Gäde, G. (1997): Adipokinetische Hormone beim Distelfalter, Vanessa cardui (Lepidoptera, Nymphalidae). Mitt. Dtsch. Ges. allg. angew. Entomol. 11: 565-568.
Lorenz, J.I., Lorenz, M.W., Hoffmann, K.H. (1997): Factors regulating juvenile hormone and ecdysteroid biosynthesis in Gryllus bimaculatus (Ensifera: Gryllidae). Eur. J. Entomol. 94: 369-379.
Lorenz, M.W., Gäde, G., Hoffmann, K.H. (1997): Interspecific actions of allatostatins. Mitt. Dtsch. Ges. allg. angew. Entomol. 11: 549-554.
Oeh, U., Lorenz, M.W., Hoffmann, K.H. (1997): Zur Ecdysteroidbiosynthese von Prothoraxdrüsen bei Gryllus bimaculatus (Ensifera: Gryllidae). Mitt. Dtsch. Ges. allg. angew. Entomol. 11: 555-558.
Thum, R., Paynter, Q., Völkl, W., Hoffmann, K.H. (1997): Ant-Homoptera-phytophage-plant interactions: are ant-tended Homoptera good for biological control? Mitt. Dtsch. Ges. allg. angew. Entomol. 11: 725-728.
Woodring, J., Hoffmann, K.H. (1997): The effects of the corpus cardiacum on in vitro JH synthesis in the crickets Gryllus bimaculatus and Acheta domesticus. Arch. Insect Biochem. Physiol. 34: 19-29.
Hartmann, P., Arens, W. (1998): Beitrag zur Kenntnis der Biologie und Verbreitung der Megachile diabolica Friese 1898 mit Erstbeschreibung des Männchens. Linzer biol. Beitr. 30: 349-364.
Lorenz, M.W., Lorenz, J.I., Treiblmayr, K., Hoffmann, K.H. (1998): In vivo effects of allatostatins in crickets, Gryllus bimaculatus (Ensifera: Gryllidae). Arch. Insect Biochem. Physiol. 38: 32-43.
Oeh, U., Lorenz, M.W., Hoffmann, K.H. (1998): Ecdysteroid release by the prothoracic gland of Gryllus bimaculatus (Ensifera: Gryllidae) during larval-adult development. J. Insect Physiol. 44: 941-946.
Hoffmann, K.H., Lorenz, M.W., Witek, G. (1998): Neuropeptides that influence juvenile hormone (JH) biosynthesis in Gryllus bimaculatus. In: Trends in Comparative Endocrinology and Neurobiology. Ann. N.Y. Acad. Sci. 839: 297-300.
Hoffmann, K.H., Lorenz, M.W. (1998): Recent advances on hormones in insect pest control. Phytoparasitica 26: 323-330.
Muthukrishnan, J., Seifert, K., Hoffmann, K.H., Lorenz, M.W. (1999): Inhibition of juvenile hormone biosynthesis in Gryllus bimaculatus by Glycosmis pentaphylla leaf compounds. Phytochemistry 50: 249-254.
Lorenz, M.W., Kellner R., Gäde G., Hoffmann, K.H., Woodring J. (1999): Hypertrehalosaemic peptides in the honesbee (Apis mellifera): purification, identification and function. J. Insect Physiol. 45: 647-653.
Schwörer, U., Völkl, W., Hoffmann, K.H. (1999): Foraging for mates in the parasitic wasp, Dendrocerus carpenteri: Impact of unfavourable weather conditions and parasitoid age. Oecologia (Berl.) 119: 73-80.
Subramoniam, T., Tirumalai, R., Gunamalai, V., Hoffmann, K.H. (1999): Embryonic ecdysteroids in a mole crab, Emerita asiatica (Milne-Edwards). J. Biosci. 24: 91-96.
Lorenz, M.W., Hoffmann, K.H., Gäde G. (1999): Juvenile hormone biosynthesis in larval and adult stick insects, Carausius morosus. J. Insect Physiol. 45: 443-452.
Lorenz, M.W., Kellner R., Hoffmann, K.H. (1999): Cricket allatostatins: new structures and physiological properties. Eur. J. Entomol. 96: 267-274.
Hoffmann, K.H., Völkl, W., Tomaschko, K.-H., Koch, P. B. (1999): Studienhandbuch Biologie - Grundkurs Ökologie: Ökophysiologie. Filander-Verlag, Fürth, S. 5-68.
Völkl, W., Hoffmann, K. H. (1999): Studienhandbuch Biologie - Grundkurs Ökologie: Autökologie. Filander-Verlag, Fürth, S. 71-92.
Hoffmann, K. H., Meyering-Vos, M., Lorenz, M. W. (1999): Allatostatins and allatotropins: is the regulation of corpora allata activity their primary function? Eur. J. Entomol. 96: 255-266.
Witek, G., Verhaert, P.D., Lorenz, M.W., Hoffmann, K.H. (1999): Immunolocalization of two types of allatostatins in the central nervous system of the cricket Gryllus bimaculatus (Ensifera: Gryllidae) Eur. J. Entomol. 96: 279-285.
Köllisch, G.V., Verhaert, P.D., Lorenz, M.W., Kellner, R., Gäde, G., Hoffmann, K.H. (1999): Structure elucidation of Mas-AKH as the major adipokinetic hormone in the butterfly Vanessa cardui (Lepidoptera, Nymphalidae). Eur. J. Entomol. 96: 309-315.
Völkl, W., Woodring, J., Fischer, M., Lorenz, M.W., Hoffmann, K.H. (1999): Ant-aphid mutualisms: The impact of honeydew production and honeydew sugar compostition on ant preferences. Oecologia 118: 483-491.
Sorge, D., Nauen, R., Range, S., Hoffmann, K.H. (2000): Regulation of vitellogenesis in the fall armyworm Spodoptera frugiperda (Lepidoptera: Noctuidae). J. Insect Physiol. 46: 969-976.
Lorenz, N.W., Kellner, R., Hoffmann, K.H., Gäde, G. (2000): Identification of multiple peptides homologous to cockroach and cricket allatostatins in the stick insect Carausius morosus. Insect Biochem. Molec. Biol. 30: 711-718.
Oeh, U., Lorenz, M.W., Dyker, H., Lösel, P., Hoffmann, K.H. (2000): Interaction between Manduca allatotropin and Manduca allatostatin in the fall armyworm Spodoptera frugiperda. Insect Biochem. Molec. Biol. 30: 719-727.
Köllisch, G., Lorenz, M.W., Verhaert, P., Kellner, R., Hoffmann, K.H. (2000): A novel adipokinetic hormone from the painted lady butterfly Vanessa cardui (Lepidoptera, Nymphalidae). Europ. J. Biochem. 267: 5502-5508.
Hoffmann, K.H., Lorenz, M.W., Muthukrishnan, J. (2000): Purification and valuation of insect growth regulators from leaves and roots of Glycosmis pentaphylla (Rutaceae). Proc. 9. Neem Workshop, Giessen 2000.
Lorenz, M.W., Kellner, R., Völkl, W., Hoffmann, K.H., Woodring, J. (2001): A comparative study on hypertrehalosaemic hormones in the Hymenoptera: sequence determination, physiological actions and biological significance. J. Insect Physiol. 47: 563-571.
Fischer, M.K., Hoffmann, K.H., Völkl, W. (2001): Hierarchies in ant-attendance and competition for mutualists in a multitrophic system. Oikos 92: 531-541.
Witek, G., Hoffmann, K.H. (2001): Immunological evidence for FGLamide- and W2W9-allatostatins in the ovary of Gryllus bimaculatus (Ensifera, Gryllidae). Physiol. Entomol. 26: 49-57.
Meyering-Vos, M., Huang, J., Wu, X., Jindra, M., Hoffmann, K.H., Sehnal, F. (2001): The allatostatin A gene of the cricket Gryllus bimaculatus (Ensifera: Gryllidae). Cell. Molec. Endocrinol. 184: 103-114.
Oeh, U., Dyker, H., Lösel, P., Hoffmann, K.H. (2001): In vivo effects of Manduca sexta allatotropin and allatostatin in larvae and adults of the fall armyworm Spodoptera frugiperda (Lepidoptera, Noctuidae). Invertebr. Reprod. Dev. 39: 239-247.
Fischer, M.K., Hoffmann, K.H., Völkl, W. (2001): Competition for mutualists in an ant-homopteran interaction mediated by hierarchies of ant attendance. Oikos 92: 531-541.
Hoffmann, K.H. (2001): Ökologische Bedeutung von Wirk- und Signalstoffen bei Insekten - von der Struktur zur Funktion. Spektrum, Bayreuth 2/01: 52-53.
De Loof, A., Hoffmann, K.H. (2001): Neuropeptides in insect development and reproduction - Introduction. Arch. Insect Biochem. Physiol. 47: 127-128.
Range, S., Oeh, U., Lorenz, M.W., Etzel, W., Nauen, R., Hoffmann, K.H. (2002): Juvenile hormone biosynthesis in the fall armyworm Spodoptera frugiperda (Lepidoptera, Noctuidae). Comp. Biochem. Physiol. B 132: 191-202.
Völkl, W., von Hessberg A., Mader, D., Metzner, J., Gerstberger P., Hoffmann, K.H., Rebhan, H., Krec, R. (2002): Natural succession in a dynamic riverine landscape and the protection of open Areas. Schriftenr. Landschaftspfl. Naturschutz, 2002, 413-421.
Speierl, T., Hoffmann, K.H., Klupp, R., Schadt, J., Krec, R., Völkl, W. (2002): Fischfauna und Habitatdiversität: Die Auswirkungen von Renaturierungsmaßnahmen an Main und Rodach. Natur & Landschaft 77: 161-171.
Fischer, M.K., Völkl, W., Schopf, R., Hoffmann, K.H. (2002): Age-specific patterns in honeydew production and honeydew composition in the aphid Metopeurum fuscoviride: implications for ant-attendance. J. Insect Physiol. 48: 319-326.
Woodring, J., Lorenz, M.W., Hoffmann, K.H.: Sensitivity of larval and adult crickets (Gryllus bimaculatus) to adipokinetc hormone. Comp. Biochem. Physiol. A 133: 637-644.
Köllisch, G.V., Hoffmann, K.H.: Postembryonic body development in a migrating butterfly, Vanessa cardui (Lepidoptera, Nymphalidae). Entomon 27: 117-124.
Fischer, M., Völkl, W., Lorenz, M.W., Hoffmann, K.H.: Ich weiß einen Lindenbaum stehen... - Die Rolle des Honigtaus im Beziehungsgefüge Pflanze–Blattlaus–Ameise. Forschung - Das Magazin der Deutschen Forschungsgemeinschaft.
Oeh O., Dyker, H., Lösl, P., Nauen, R., Hoffmann, K.H. (2002): In vitro and in vivo effects of allatoregulating neuropeptides in Spodoptera frugiperda. Arthropods: Chemical, physiological and environmental aspects. Ed. D. Konopinska. University of Wroclaw, Wroclaw 2002, 53-58.
Woodring, J., Hoffmann, K.H., Lorenz, M.W. (2003): Identification and function of the hypertrehalosaemic hormone (Mas-AKH) in workers, drones and queens of Apis mellifera ligustica and A. m. carnica. J. Apic. Res. 42: 4-8.
Köllisch, G.V., Verhaert, P., Hoffmann, K.H. (2003): Adipokinetic hormones in moths and butterflies. Comp. Biochem. Physiol. A 135: 303-308.
Abdel-latief, M., Meyering-Vos, M., Hoffmann, K.H. (2003): Molecular characterization of cDNAs from the fall armyworm Spodoptera frugiperda encoding Manduca sexta allatotropin and allatostatin preprohormone peptides. Insect Biochem. Physiol. 33: 467-476.
Speierl, T., Hoffmann, K.H., Huhlen, K., Schadt, J., Klupp, R. (2003): Das Potential von Renaturierungsmaßnahmen für die Entwicklung der Fischfauna - Ergebnisse vom oberfränkischen Main. Fischer & Teichwirt 8/2003: 303-306.
Meyering-Vos, M., Hoffmann, K.H. (2003): Expression of allatostatins in the Mediterranean field cricket, Gryllus bimaculatus. Comp. Biochem. Physiol. B 136: 207-215.
Abdel-latief, M., Meyering-Vos, M., Hoffmann, K.H.: Characterization of the FGL-amide peptideprecursor gene of the fall arymworm, Spodoptera frugiperda. Comp. Biochem. Physiol. (eingereicht)
Abdel-latief, M., Meyering-Vos, M., Hoffmann, K.H.: Allatostatin or allatotropin? A novel member of allatoregulating peptides in the fall armyworm Spodoptera frugiperda (Lepidoptera, Noctuidae): molecular cloning, gene expression, and studies on its biological activity. J. Biol. Chem. (eingereicht)
Lorenz, J.I., Lorenz, M.W., Hoffmann, K.H. (2004): Regulators of Ovarian ecdysteroid release display opposite effects in the cricket Gryllus bimaculatus and the cockroach Blaptica dubia. Mitteilg. Dt. Ges. Allgem. Angew. Entomol. 14: 447-450.
Wiedemann, R., Woodring, J., Völkl, W., Hoffmann, K.H. (2004): Amino acid composition of honeydew from aphis species feeding on tansy, Tanacetum vulgare. Mitteilg. Dt. Ges. Allg. Angew. Entomol. 14: 459-462.
Abdel-latief, M., Meyering-Vos, M., Hoffmann, K.H. (2004): Expression and localization of the Spodoptera frugiperda allatotropin (Spofr-AT) and allatostatin (Spofr-AS) genes. Arch. Insect Biochem. Physiol. 55: 188-199.
Abdel-latief, M., Meyering-Vos, M., Hoffmann, K.H. (2004): Type-A allatostatins from the fall armyworm, Spodoptera frugiperda: molecular cloning, expression and tissue-specific localization. Arch. Insect Biochem. Physiol. 56: 120-132.
Woodring, J., Wiedemann, R., Fischer, M.K., Hoffmann, K.H., Völk, W. (2004): Honeydew amino acids in relation to sugars and their role in the establishment of ant-attendance hierarchy in eight species of aphids feeding on tansy (Tanacetum vulgare). Physiol. Entomol. 29: 311-319.
Abdel-latief, M., Meyering-Vos, M., Hoffmann, K.H. (2004): Characterization of a novel allatotropin in the fall armyworm Spodoptera frugiperda. Reg. Pept. 122: 69-78.
Westerlund, S.A. and Hoffmann, K.H. (2004): Rapid quantification of juvenile hormones and their metabolites in insect haemolymph by liquid chromatography-mass spectrometry (LC-MS). Anal. Bioanal. Chem. 379: 540-543.
Wang, J., Meyering-Vos, M., Hoffmann, K.H. (2004): Cloning and tissue-specific localization of cricket-type allatostatins from Gryllus bimaculatus. Molec. Cell. Endocrinol. 227: 41-51.
Wang, J., Meyering-Vos, M., Hoffmann, K.H. (2004): Multilocal expression of B-type allatostatins in crickets (Gryllus bimaculatus). International Congress Series 1275 - Ithala 2004, 141-148.
Fischer, M.K., Völkl, W. and Hoffmann, K.H. (2005): Honeydew production and honeydew sugar composition of polyphagous black bean aphid, Aphis fabae, on various host plants and implications for ant-attendance. Eur. J. Entomol. 102: 155-160.
Gäde, G., Hoffmann, K.H. (2005): Neuropeptides regulating development and reproduction in insects. Physiol. Entomol. 30: 103-121.
Hoffmann, K.H., Fischer, M., Völkl, W., Lorenz, M.W. (2005): Von Läusen und Ameisen. DFG-Forschung Spezial 2005: 62-65.
Steigenga, M.J., Hoffmann, K.H., Fischer, K. (2006): Effects of juvenile hormone on female reproductive output and longevity in a butterfly. Entomol. Sci. 9: 269-279.
Tawfik, A.I., Kellner, R., Hoffmann, K.H., Lorenz, M.W. (2006): Purification, characterization and titer of the hemolymph juvenile hormone binding proteins from Schistocerca gregaria and Gryllus bimaculatus. J. Insect Physiol. 52: 255-268.
Meyering-Vos, M., Merz, S., Sertkol, M., Hoffmann, K.H. (2006): Functional analysis of the allatostatin-A type gene in the cricket Gryllus bimaculatus and the armyworm Spodoptera frugiperda. Insect Biochem. Mol. Biol. 36: 492-504.
Hoffmann, K.H., Dettner, K., Tomschko, K.-H. (2006): Chemical signals in insects and other arthropods - from molecular structure to physiological functions. Physiol. Biochem. Zool. 79: 344-356.
Woodring, J., Hoffmann, K.H., Lorenz, M.W. (2007): Nutrient and enzyme flow in the digestive tract of the cricket Gryllus bimaculatus. Physiol. Entomol. 32: 56-63.
Woodring, J., Wiedemann, R., Völkl, W., Hoffmann, K.H. (2007): Oligosaccharide synthesis regulates gut osmolality in the ant-attended aphid Metopeurom fuscoviride but not in the unattended aphid Macrosiphoniella tanacetaria. J. Appl. Entomol. 131: 1-7.
Martin-Creuzburg, D., Westerlund, S.A., Hoffmann, K.H. (2007): Ecdysteroid levels in Daphnia magna during a moult cycle: determination by radioimmunoassay (RIA) and liquid chromatography-mass spectrometry (LC-MS). Gen. Comp. Endocrinol. 151: 66-71.
Woodring, J., Hoffmann, K.H., Lorenz, M.W. (2007): Activity, release and site of action of digestive enzymes in the giant milkweed bug, Oncopeltus fasciatus. Physiol. Entomol. 32: 228-235.
Abdel-latief, M., Hoffmann, K.H. (2007): The adipokinetic hormones in the fall armyworm Spodoptera frugiperda: cDNAs cloning, quantitative real time RT-PCR analysis, and gene-specific localisation. Insect Biochem. Mol. Biol. 37: 999-1014.
Martin-Creuzburg, D., von Elert, E., Hoffmann, K.H. (2008): Nutritional constraints at the cyanobacteria-Daphnia interface: the role of essential lipids. Limnol. Oceanogr. 53: 456-468.
Griebler, M., Westerlund, S.A., Hoffmann, K.H., Meyering-Vos, M. (2008): RNA interference with the allatoregulating neuropeptide genes from the fall armyworm Spodoptera frugiperda and its effects on the JH titer in the hemolymph. J. Insect Physiol. 54: 997-1007.
Geister, T.L., Lorenz, M.W., Hoffmann, K.H., Fischer, K. (2008): Effects of the NMDA receptor antagonist MK-801 on female reproduction and juvenile hormone biosynthesis in the cricket Gryllus bimaculatus and the butterfly Bicyclus anynana. J. Exp. Biol. 211: 1587-1593.
Schwartzberg, E.G., Kunert, G., Westerlund, S.A., Hoffmann, K.H., Weisser, W.W. (2008): Juvenile hormone titers do not affect winged offspring production in the pea aphid, Acyrthosiphon pisum. J. Insect Physiol. 54: 1332-1336.
Geister, T.L., Lorenz, M.W., Hoffmann, K.H., Fischer, K. (2008): Adult nutrition and butterfly fitness: effects of diet quality on reproductive output, egg composition, and egg hatching success. Frontiers in Zoology 5: (13pp).
Geister, T.L., Lorenz, M.W., Meyering-Vos, M., Hoffmann, K.H., Fischer, K. (2008): Effects of temperature on reproductive output, egg provision, juvenile hormone and vitellogenin titers in the butterfly Bicyclus anynana. J. Insect Physiol. 54: 1243-1252.
Geister, T.L., Lorenz, M.W., Hoffmann, K.H., Fischer, K. (2008): Energetics of embryonic development: effects of temperature on egg and hatchling composition in a butterfly. J. Comp. Physiol. B doi:10.1007/s00360-008-0293-5.
Woodring, J., Diersch, S., Lwalaba, D., Hoffmann, K.H., Meyering-Vos, M. (2008): The control of digestive enzyme release in the caeca of the cricket Gryllus bimaculatus. Physiol. Entomol. (in press).
Hoffmann, K.H., Westerlund, S.A. (2008): The simultaneous measurement of juvenile hormones and ecdysteroids in the haemolymph of crickets (Gryllus bimaculatus) by liquid chromatography-mass spectrometry (LC-MS). Int. Proc. Div. Mara 2008 (in press).
Hoffmann, K.H., Schmid, S., Meyering-Vos, M. (2008): The role of neuropeptides and juvenile hormone III in reproduction-flight syndrome of crickets (Gryllus bimaculatus, Ensifera, Gryllidae). Int. Proc. Div. Mara 2008 (in press).
zurück zu Prof. Hoffmann Tierökologie I Universität Bayreuth