Vernon Ahmadjian (Whitinsville, 19 de mayo de 1930 − Falmouth, 13 de marzo de 2012)[1]​ fue un profesor estadounidense nacido en Armenia, emérito en la Universidad Clark, Worcester, Massachusetts. Fue especialista en simbiosis de líquenes y escribió varios libros y numerosas publicaciones sobre este tópico.

Vernon Ahmadjian
Información personal
Nacimiento 19 de mayo de 1930
Whitinsville (Estados Unidos) Ver y modificar los datos en Wikidata
Fallecimiento 13 de marzo de 2012
Falmouth (Estados Unidos) Ver y modificar los datos en Wikidata
Nacionalidad estadounidense
Educación
Educado en
Información profesional
Área orquideólogo, botánico
Empleador Universidad Clark Ver y modificar los datos en Wikidata
Abreviatura en botánica Ahmadjian
Distinciones
  • Acharius Medal (1996) Ver y modificar los datos en Wikidata

Honores

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En 1996, fue honrado por la "Asociación Internacional de Liquenología (IAL) con una "Medalla Acharius" por llevar adelante estudios en el campo de la liquenología. Es el máximo estudioso de los "clorolíquenes.[1]

Algunas publicaciones

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Libros

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  • Ahmadjian, Vernon. 1967. The Lichen Symbiosis. Blaisdell Publishing Co., Waltham, Mass. 152 pp.
  • Ahmadjian, Vernon. 1993. The Lichen Symbiosis. John Willey & Sons, Inc. New York, 250 pp. ISBN 0-471-57885-1
  • Ahmadjian, V.; M.E. Hale, eds. 1973. The Lichens. New York. Academic Press, 697 pp.
  • Ahmadjian, V.; S. Paracer. 1986. Symbiosis: An introduction to Biological Associations. Hanover, N. H., Univ. Press of New England, 212 pp.
  • Paracer, Surindar; Vernon Ahmadjian. 2000. Symbiosis, An Introduction to Biological Associations. 2ª Ed. Oxford Univ. Press, ISBN 0-19-511807-3

Artículos

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  • Ahmadjian, V. 1966. Lichens in Symbiosis 1. S. M. Henry, ed. New York, Academic Press, 35-97
  • Ahmadjian, V. 1967. A guide to the algae occurring as lichen symbionts: Isolation, culture, cultural physiology, & identification. Phycologia 6:127-160
  • Ahmadjian, V. 1970a. The lichen symbiosis: Its origin and evolution. En: Evolutionary Biology 4. T. Dobzhansky, M. K. Hecht, & W. C. Steere, eds. Appleton-Century Crofts, N.Y.., 163-184
  • Ahmadjian, V. 1970b. Adaptations of Antarctic terrestrial plants. En: Antarctic Ecology 2. M. W. Holdgate, ed. Londres, Academic Press, 801-811
  • Ahmadjian, V. 1973a. Resynthesis of lichens. En, The Lichens. V. Ahmadjian & M. E. Hale, eds. New York, Academic Press, 565-579
  • Ahmadjian, V. 1973b. Methods of isolating and culturing lichen symbionts and thalli. En: The Lichens. V. Ahmadjian & M. E. Hale, eds. New York, Academic Press, 653-659
  • Ahmadjian, V. 1977. Qualitative requirements and ultilization of nutrients: Lichens. En, CRC Handbook. Series in Nutrition & Food. 1. J. M. Rechcigl, ed. Cleveland, CRc Press, Sec. D. Nutritional Requirements, 203-215
  • Ahmadjian, V. 1980. Separation and artificial synthesis of lichens. In, Cellular Interactions in Symbiosis and Parasitism. C. B. Cook, P. W. Pappas, E. D. Rudolph, eds. Columbus, Ohio State University Press, 3-29
  • Ahmadjian, V. 1982a. Holobionts have more parts. Int. Lichenological Newsletter 15 (2): 19
  • Ahmadjian, V. 1982b. The nature of lichens. Natural History 91: 30-37
  • Ahmadjian, V. 1982c. Algal/fungal symbioses. En: Progress in Phycological Res. 1. F. E. Round & D. J. Chapman, eds., Ámsterdam, Elsevier Biomedical Press, 179-233
  • Ahmadjian, V. 1987a. Coevolution in lichens. En: Endocytobiology 3. J. Lee and J. F. Fredrick, eds., New York Academy of Sciences, 307-315
  • Ahmadjian, V. 1987b. Laboratory culture of lichens and lichen symbionts. Proceedings of symposium on tissue culture of lichen & bryophyte. Kioto, Nippon Paint Co. 1-13
  • Ahmadjian, V. 1988. The lichen alga Trebouxia: Does it occur free-living? Plant Systematics & Evolution 158: 243-247
  • Ahmadjian, V. 1989. Studies on the isolation and synthesis of bionts of the cyanolichen Peltigera canina (Peltigeraceae). Plant Systematics & Evolution 165: 29-38
  • Ahmadjian, V. 1990a. What have synthetic lichens told us about real lichens? Contributions to Lichenology. In honour of A. Henssen. Bibliotheca Lichenologica 38. H. M. Jahns, ed. Berlin-Stuttgart, J. Cramer, 3-12
  • Ahmadjian, V. 1990b. Trebouxia jamesii & the question of multinucleate cells in the lichen photobiont Trebouxia. Lichenologist 22: 321-324
  • Ahmadjian, V. 1991. Molecular biology of lichens: A look to the future. Symbiosis 11: 249-254
  • Ahmadjian, V. 1992. Basic mechanisms of signal exchange, recognition, & regulation in lichens. En: Algae & Symbioses: Plants, Animals, Fungi, Viruses, Interactions Explored. W. Reisser, ed. Bristol, Biopress Ltd., 675-697
  • Ahmadjian, V.; H. Heikkilä. 1970. The culture and synthesis of Endocarpon pusillum & Staurothele clopima. Lichenologist 4: 259-267
  • Ahmadjian, V.; J.B. Jacobs. 1970. The ultrastructure of lichens. III. Endocarpon pusillum. Lichenologist 4: 268-270
  • Ahmadjian, V.; J.B. Jacobs. 1981. Relationship between fungus and alga in the lichen Cladonia cristatella Tuck. Nature 289: 169-172
  • Ahmadjian, V.; J.B. Jacobs. 1982. Artificial re-establishment of lichens. III. Synthetic development of Usnea strigosa. Journal Hattori Botanical Laboratory 52: 393-399
  • Ahmadjian, V.; J.B. Jacobs. 1983. Algal-fungal relationships in lichens: Recognition, synthesis and development. En, Algal Symbiosis. L. J. Goff, ed., Cambridge, Cambridge University Press, 147-172
  • Ahmadjian, V.; J.B. Jacobs. 1985. Artificial reestablishment of lichens. IV. Comparison between natural and synthetic thalli of Usnea strigosa. Lichenologist 17: 149-165
  • Ahmadjian, V.; J.B. Jacobs. 1987. Studies on the development of synthetic lichens. En, Progress and Problems in Lichenology in the Eighties, Bibliotheca Lichenologia 25. E. Peveling, ed., Berlin-Stuttgart, J. Cramer, 47-48
  • Ahmadjian, V.; J.J. Brink; A.I. Shehata. 1990. Molecular biology of lichens—Search for plasmid DNA and the question of gene movement between bionts. p. 2-21. Proc. International Symposium on Lichenology, Kioto, Japón, Nippon Paint Co.
  • Ahmadjian, V.; V.M. Chadeganipour; A.M. Koriem; S. Paracer. 1987. DNA and protoplast isolations from lichens and lichen symbionts. Lichen Physiology & Biochemistry, 2-11
  • Ahmadjian, V.; J.B. Jacobs; L.A. Russell, 1978. Scanning electron microscope study of early lichen synthesis. Science 200: 1062-1064
  • Ahmadjian, V.; L.A. Russell; K.C. Hildreth. 1980. Artificial reestablishment of lichens. I. Morphological interactions between the phycobionts of different lichens and the mycobionts Cladonia cristatella & Lecanora chrysoleuca. Mycologia 72: 73-89
  • Culberson, C.F.; V. Ahmadjian. 1980. Artificial reestablishment of lichens. II. Secondary products or resynthesized Cladonia cristatella & Lecanora chrysoleuca. Mycologica 72: 90-109
  • Hildreth, K.C.; V. Ahmadjian. 1981. A study of Trebouxia & Pseudotrebouxia isolates from different lichens. Lichenologist 13: 65-86
  • Hill, D.J.; V. Ahmadjian. 1972. Relationship between carbohydrate movement and the symbiosis in lichens with green algae. Planta 103: 267-277
  • Jacobs, J.B.; V. Ahmadjian. 1969. The ultrastructure of lichens. I. A general survey. Journal of Phycology 5: 227-240
  • Jacobs, J.B.; V. Ahmadjian. 1971a. The ultrastructure of lichens. II. Cladonia cristatella: The lichen & its isolated symbionts. J.Phycology 7: 71-82
  • Jacobs, J.B.; V. Ahmadjian. 1971b. The ultrastructure of lichens. IV. Movement of carbon products from alga to fungus as demonstrated by high resolution radioautography. New Phytologist 70: 47-50
  • Jacobs, J.B.; V. Ahmadjian. 1973. The ultrastructure of lichens. V. Hydrothyria venosa, a fresh water lichen. New Phytologist 72: 155-160
  • Kieft, T.L.; V. Ahmadjian. 1989. Biological ice nucleation activity in lichen mycobionts and photobionts. Lichenologist 21: 355-362
  • Kinraide, W.T.B.; V. Ahmadjian. 1970. The effects of usnic acid on the physiology of cultured species of lichen alga Trebouxia Puym. Lichenologist 4: 234-247
  • Koriem, A.M.; V. Ahmadjian. 1986. An ultrastructural study of lichenized and cultured Nostoc photobionts of Peltigera canina, Peltigera rufescens, Peltigera spuria. Endocytobiosis & Cell Research 3: 65-78
  • Leuckert, C.; V. Ahmadjian; C.F. Culberson; A. Johnson. 1990. Xanthones and depsidones of the lichen Lecanora dispersa in nature and of its mycobiont in culture. Mycologia 82: 370-378
  • Remmer, S.B.; V. Ahmadjian; T.P. Livdahl. 1986. Effects of IAA (indole-3-acetic acid) and kinetin (6-furfurylamino-purine) on the synthetic lichen Cladonia cristatella & its isolated symbionts. Lichen Physiology & Biochemistry 1: 1-25
  • Rosentreter, R.; V. Ahmadjian. 1977. Effect of ozone on the lichen Cladonia arbuscula & the Trebouxia phycobiont of Cladina stellaris. Bryologist 80: 600-605
  • Schofield, E.; V. Ahmadjian. 1972. Field observations and laboratory studies of some Antarctic cold desert cryptograms. En, Antarctic Terrestrial Biology 20. G. A. Llano, ed., American Geophysical Union, Washington, D. C., 97-142
  • Slocum, R.D.; V. Ahmadjian; K.C. Hildreth. 1980. Zoosporogenesis in Trebouxia gelatinosa: Potential for zoospore release and implications for the lichen association. Lichenologist 12: 173-187
  • Wang-Yang, J.R.; V. Ahmadjian. 1972. A morphological study of the algal symbionts of Cladonia rangiferina (L.) Web. & Parmelia caperata (L.) Ach. Taiwania 17: 170-181
  • Withrow, K.; V. Ahmadjian. 1983. The ultrastructure of lichens. VII. Chiodectron sanguineum. Mycologia 75: 337-339
  • La abreviatura «Ahmadjian» se emplea para indicar a Vernon Ahmadjian como autoridad en la descripción y clasificación científica de los vegetales.[2]

Referencias

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  1. «Vernon Ahmadjian» (en inglés). Consultado el 24 de noviembre de 2013. 
  2. Todos los géneros y especies descritos por este autor en IPNI.

Enlaces externos

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