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Publications
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Compilation of Papers
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Scientific Papers Published by SequentiX Staff
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2005
MÜLLER, J., FRIEDL, T., HEPPERLE, D., LORENZ, M., DAY, J. G. (2005):
Distinction between multiple isolates of Chlorella vulgaris (Chlorophyta, Trebouxiophyceae)
and testing for conspecificity using amplified fragment length polymorphism and ITS rDNA
sequences. Journal of Phycology 41: 1236-1247.
HEPPERLE, D. (2005): Zentrales Bindeglied - Bioinformatik verbindet
Naturwissenschaften und beschleunigt Forschung. BioTec 11-12: 38-39.
BUCHHEIM, M., BUCHHEIM, J., CARLSON, T., BRABAND, A., HEPPERLE, D., KRIENITZ,
L., WOLF, M., HEGEWALD, E. (2005): Phylogeny of the Hydrodictyaceae (Chlorophyceae):
inferences from rDNA data. J. Phycol. 41: 1039-1054.
FIETZ, S., BLEIß, W., HEPPERLE, D., KOPPITZ, H., KRIENITZ, L., NICKLISCH, A.
(2005): Fist record of Nannochloropsis limnetica (Eustigmatophyceae) in the
autotrophic picoplankton from Lake Baikal. J. Phycol. 41: 780-790.
2004
HEPPERLE, D. (2004): Align Ver.07/04©. Multisequence alignment-editor and
preparation/manipulation of phylogenetic datasets. Win32-Version. Distributed by
the author via: http://www.sequentix.de.
HEPPERLE, D. (2004): SeqAssem©. A sequence analysis tool, contig assembler
and trace data visualization tool for molecular sequences. Win32-Version.
Distributed by the author via: http://www.sequentix.de.
HEPPERLE, D. (2004): TreeMe©. A software for visualization, manipulation,
layouting and labelling of phylogenetic trees. Win32-Version. Distributed by the
author via: http://www.sequentix.de.
KRIENITZ, L. , HEGEWALD, E.H., HEPPERLE, D. , HUSS, V.A.R., ROHR, T., WOLF,
M. (2004): Phylogenetic relationship of Chlorella and Parachlorella nov. gen. (Chlorophyta,
Trebouxiophyceae). Phycologia, in press.
2003
HEPPERLE, D. (2003): TreeMeApplet©. A Java™-based web applet for the
visualization, manipulation and layouting of phylogenetic trees with connection
to databases. Distributed by the author via: http://science.do-mix.de.
HEPPERLE, D. (2003): Personal GenBank©. A software tool for maintaining
databases of molecular sequence data. Win32-Version. Distributed by the author
via: http://www.sequentix.de.
JAHN, R., CRAWFORD, R.M., FRIEDL, T., LAZARUS, D., MEDLIN, L., REISSER, W.,
BESZTERI, B., GLÜCK, K., HAMANN, K., HEPPERLE, D., HINZ, F., HUCK, V., JOBST,
A., KASTEN, J., KUSBER, W.-H., SALISCH, M., STRIEBEN, S. (2003): The BIOLOG
project AlgaTerra: a database for research on microalgae diversity and
systematics. P. 9 in: Organisms, Diversity & Evol. 3, Electronic Suppl. 2.
KRIENITZ, L., HEGEWALD, E., HEPPERLE, D., WOLF, M. (2003): The systematics of
coccoid green algae: 18S rRNA gene sequence data versus morphology, Biologia
Bratislava 58: 437-446.
SCHEFFLER, W., NICKLISCH, A., HEPPERLE, D. (2003): Dimorphism in Cyclotella
pseudocomensis (Heterokontophyta, Bacillariophyceae) as revealed by
morphological, ecological and molecular methods. Arch. Hydrobiol. Spec. Issues
Advanc. Limnol. 58: 157-173.
WOLF, M., HEPPERLE, D., LOTHAR KRIENITZ, L. (2003): On the Phylogeny of
Radiococcus, Planktosphaeria and Schizochlamydella (Radiococcaceae, Chlorophyta),
Biologia Bratislava 58: 1-7.
WOLF, M., HEGEWALD, E., HEPPERLE, D., KRIENITZ, L. (2003): Phylogenetic
position of the Golenkiniaceae (Chlorophyta) as inferred from 18S rDNA sequence
data, Biologia Bratislava 58: 433-436.
2002
HEPPERLE, D. (2002): Sequar©. Management of sequencing projects for ABI3100
capillary sequencers. Win32-Version. Distributed by the author via: http://science.do-mix.de.
HEPPERLE, D. (2002): Fingerprinter©. A software for the analysis,
bin-assingment and 01-matrix construction of molecular fingerprints (AFLPs).
Win32-Version. Distributed by the author via: http://science.do-mix.de.
HEPPERLE, D. (2002): DesktopTimer©. A Desktop labtimer. Win32-Version.
Distributed by the author via: http://science.do-mix.de.
HEPPERLE, D. (2002): GelAnalyzer©. A software for exact sizing of
DNA-fragments from electrophoretic gels. Win32-Version. Distributed by the
author via: http://science.do-mix.de.
HEPPERLE, D. (2002): PrimerTemperature©. A software for the calculation of
primer annealing temperatures. Win32-Version. Distributed by the author via:
http://science.do-mix.de.
HEPPERLE, D., SCHLEGEL, I. (2002): Molecular diversity of eucaryotic
picoalgae from three lakes in Switzerland. Int. Rev. Hydrobiol. 87: 1-10.
WOLF, M., BUCHHEIM, M., HEGEWALD, E., KRIENITZ, L., HEPPERLE, D. (2002):
Phylogenetic position of the Sphaeropleaceae (Chlorophyta), Plant Syst. Evol.,
230: 161-171.
SCHNEPF, E., SCHLEGEL, I., HEPPERLE, D. (2002): Petalomonas sphagnophila (Euglenophyta)
and its endocytobiotic cyanobacteria: a unique form of symbiosis. Phycologia 41:
153-157.
WOLF, M., KRIENITZ, L., HEGEWALD, E., HEPPERLE, D. (2002): Phylogenetic
position of Actinastrum hantzschii (Chlorophyta, Trebouxiophyceae), Algological
Studies 104: 59-67.
CHAN, O.C., WOLF, M., HEPPERLE, D., CASPER, P. (2002): Methanogenic archaeal
community in the sediment of an artificially divided acidic bog lake, FEMS
Microbiology Ecology 42: 119-129.
2001
HEPPERLE, D., KRIENITZ, L. (2001): Systematics and ecology of chlorophyte
picoplankton in German inland waters along a nutrient gradient. Internat. Rev.
Hydrobiol. 86: 269-284.
HEGEWALD, E., HEPPERLE, D., WOLF, M., KRIENITZ, L. (2001): Phylogenetic
placement of Chlorotetraedron incus, C. polymorphum and Polyedriopsis spinulosa
(Neochlordaceae, Chlorophyta), Phycologia 40: 399-402.
2000
HEPPERLE, D. & SCHMIDT-HALEWICZ, S. (2000): Opticount©. A software tool for
the enumberation and biomass determination of plankton organisms and other
particles. Win32-Version. Distributed by the author via: http://science.do-mix.de.
HEPPERLE, D., HEGEWALD, E. & KRIENITZ, L. (2000): Phylogenetic position of
the Oocystaceae (Chlorophyta), J. Phycol. 36: 590-595.
KRIENITZ, L., HEPPERLE, D., STICH, H.-B., WEILER, W. (2000): Nannochloropsis
limnetica sp. nov. (Eustigmatophyceae), a new picoplanktont from small
freshwater bodies. Phycologia 39: 219-227.
SCHLEGEL, I., KRIENITZ, L., HEPPERLE, D. (2000): Variability of calcification
of Phacotus lenticularis (Chlorophyta, Chlamydomonadales) in nature and culture.
Phycologia 39: 318-322.
LEWIN, R.A., KRIENITZ, L., GOERICKE, R., TAKEDA, H., HEPPERLE, D. (2000) :
Picocystis salinarum gen. et sp. nov. (Chlorophyta) - new picoplanktonic green
algae. Phycologia 39: 560-565.
1999
KRIENITZ, L., TAKEDA, H. & HEPPERLE, D. (1999): Ultrastructure, cell wall
composition and phylogenetic position of Pseudodictyosphaerium jurisii (Chlorophyta,
Chlorococcales) in comparison to other picoplanctonic green algae. Phycologia
38: 100-107.
1998
HEPPERLE, D., NOZAKI, H., HOHENBERGER, S., HUSS, V.A.R., MORITA, E. &
KRIENITZ, L. (1998): Phylogenetic position of the Phacotaceae within the
Chlamydophyceae as revealed by analysis of 18S rDNA- and rbcL-sequences. J. Mol.
Evol. 47: 420-430.
1997
HEPPERLE, D. & KRIENITZ, L. (1997): Phacotus lenticularis (Chlamydomonadales,
Phacotaceae) zoospores require external supersaturation of calcium carbonate for
calcification in culture. J. Phycol. 33: 415-424.
1996
HEPPERLE, D. (1996): PubMan©. A reference manager for scientific purpos.
Win32-Version. Distributed by the author via: http://science.do-mix.de.
HEPPERLE, D. & KRIENITZ, L. (1996): The extracellular calcification of
zoospores of Phacotus lenticularis (Chlorophyta, Chlamydomonadales). Eur. J.
Phycol. 31: 11-21.
1994
HEPPERLE, D. (1994): Exemplarische Untersuchung der jahreszeitlichen
Entwicklung des Phytoplanktons im Neckar, Landesanstalt für Umweltschutz
Baden-Württemberg, pp. 125.
HEPPERLE, D. (1994): Chemulator©. A software for conversion of chemical units.
Win32-Version. Distributed by the author via: http://science.do-mix.de.
HEPPERLE, D. (1994): WinIAP©. Calculation of ion activities and calcite
saturation index. Win32-Version. Distributed by the author via: http://science.do-mix.de.
HEPPERLE, D., HINDÁK, F. & KRIENITZ, L. (1994): TEM-investivation and X-ray
microanalysis of Cephalomonas granulata Higinbotham 1942 (Chlorophyceae,
Phacotaceae). Biologia (Bratislava) 49: 451-455.
1993
KRIENITZ, L., KOSCHEL, R., GIERING, B., CASPER, S.J. & HEPPERLE, D. (1993):
Phenomenology of organismic calcite precipitation by Phacotus in hardwater lakes
and ponds of northeastern Germany. Verh. Internat. Verein. Limnol. 25: 170-174.
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Invited Presentations - SequentiX Staff
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2004
HEPPERLE, D.: Alga Terra (BIOLOG): Phylogenie terrestrischer Algen und
Online-Verknüpfung molekularer, taxonomischer, ökologischer und morphologischer
Merkmale, Darmstadt, Germany, Jun 17, 2004.
FRIEDL, TH., HEPPERLE, D.: "What are Trebouxiophyceae? A review of assessing
the phylogeny of coccal green algae", Phycological Society of America (PSA)
Williamsburg/Virginia, USA. Aug 7 - 12, 2004.
2003
HEPPERLE, D.: AlgaTerra - An information system for terrestrial algae. The
COnservation of a vital european scientific and Biotechnological Resource:
microAlgae and cyanobacteria (COBRA). Partners and Mid Term Review meeting,
Göttingen, Germany, Jun 12-14, 2003.
HEPPERLE, D.: Biodiversität und Phylogenie terrestrischer Algen.
Einladungvortrag, Systematisch-Geobotanisches Kolloquium, Göttingen, Germany,
Jul 17, 2003.
2002
HEPPERLE, D.: Molecular phylogeny and biodiversity of terrestrial microalgae.
Einladungvortrag, Tagung der Deutschen Botanischen Gesellschaft, Freiburg,
Germany, Sept 23, 2002.
2001
HEPPERLE, D.: Diversität eukaryotischer Picoalgen. Einladungsvortrag,
Albert-von-Haller-Institut, Universität Göttingen, Germany, Jan 30, 2001
2000
HEPPERLE, D.: Beziehungen zwischen Genetik, Morphologie und Ökologie von
Chlorophyceen. TU Dresden, Germany, Jan 06, 2000.
HEPPERLE, D.: Diversity of picoplanctonic green algae. Limnologisches
Institut, Mondsee, Austria, May 09, 2000.
HEPPERLE, D.: Das wachsende Algenposter. 2. Geo-Tag der Artenvielfalt, Menz,
Germany, May 27, 2000.
HEPPERLE, D.: Das wachsende Algenposter. 2. Geo-Tag der Artenvielfalt,
Heidelberg, Germany, Jun 03, 2000.
1999
HEPPERLE, D.: Mr. Bean & Colleques - Autotrophic Picoplankton. EAWAG/ETH,
Kastanienbaum, Luzern, Switzerland, May 26, 1999.
1997
HEPPERLE, D.: Molekularbiologische und ultrastrukturelle Charakterisierung
der Phacotaceae. Limnologische Station der Technischen Universität München,
Iffeldorf, Germany, Nov 20, 1997.
1994
HEPPERLE, D.: Ultrastruktur der Phacotaceen (Chlamydomonadales). Kolloquium,
Universität Heidelberg, Germany, Oct 1994.
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Congress Contributions - SequentiX Staff
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2004
MUELLER, J., GAEBLER, S., SAUER, K., LORENZ, M., HEPPERLE, D., COMTE, K.,
TIMMERMANN, H., FRIEDL, T.: Amplified Fragment Length Polymorphism in the
context of cryopreservation: analyses of mutants and duplicate strains of
cyanobacteria and green algae. COBRA meeting, March 25-26 2004, Trebon, Czech
Republic.
MUELLER, J., GAEBLER, S., SAUER, K., LORENZ, M., HEPPERLE, D., TIMMERMANN,
H., FRIEDL, T.: AFLP in genotypic stability tests for the cryopreservation of
microalgae and cyanobacteria, SLTB 40th Annual Meeting 2004, September 9-10
2004, London, United Kingdom.
MUELLER, J., LORENZ, M., GAEBLER, S., HEPPERLE, D., SAUER, K., TIMMERMANN,
H., DAY, J. G., FRIEDL, T.: AFLP in genotypic stability tests for the
cryopreservation of mircroalgae and cyanobacteria, COBRA final meeting,
September 30 - October 1 2004, Oban, United Kingdom.
GAEBLER, S., MUELLER, J., HEPPERLE, D., FRIEDL, T.. Converting Amplified
Fragment Lenght Polymorphic (AFLP) fragments to sequencing tags. COBRA meeting,
March 25-26 2004, Trebon, Czech Republic.
GAEBLER, S., MUELLER, J., HEPPERLE, D., FRIEDL, T.: Sequencing of
AFLP-fragments in microalgae: a way to detect genes linked to cryosensitivity /
- resistance?, SLTB 40th Annual Meeting 2004, September 9-10 2004, London,
United Kingdom.
MUELLER, J., LORENZ, M., HEPPERLE, D., GAEBLER, S., SAUER, K., DAY, J.G.,
FRIEDL, T.: AFLP in the context of cryopreservation and intraspecific analyses
of microalgae, Botanikertagung, September 5-10 2004, Braunschweig, Germany.
GAEBLER, S., MUELLER, J., HEPPERLE, D., FRIEDL, T.: Sequencing of AFLP
fragments from mircoalgae, Botanikertagung, September 5-10 2004, Braunschweig,
Germany.
GAEBLER, S., MUELLER, J., HEPPERLE, D., FRIEDL, T.: Sequencing of AFLP
fragments from mircoalgae, COBRA final meeting, September 30 - October 1 2004,
Oban, United Kingdom.
2003
HEPPERLE, D.: Phylogenie terrestrischer Algen, Vortrag, 9. wissenschaftliche
Tagung der Sektion Phykologie, Bad Münster am Stein, Germany, Apr 27 - 30, 2003.
HEPPERLE, D. & FRIEDL, TH.: AlgaTerra - Molecular phylogeny and biodiversity
of terrestrial algae, Vortrag, p. 55-56 in: Book of Abstracts. Third European
Phycological Congress, Belfast, Northern Ireland, Jul 21 - 26, 2003.
HEPPERLE, D., MARRERO, A. & FRIEDL, T. 2003: Documentation of characters of
terrestrial algae in culture: rDNA sequence analyses, morphology and
cryo-preservation of reference strains. Poster, Pp. 191-192 in: International
Symposium "Sustainable use and conservation of biological diversity", Symposium
Report, Part A, Berlin, Germany, Dec 1 - 4, 2003.
MUELLER, J., TIMMERMANN, H., HEPPERLE, D., LORENZ, M., DAY, J.G., FRIEDL, T.:
Genetic integrity of cryopreserved microalgae. Treffen der Sektion Phykologie
der Deutschen Botanischen Gesellschaft, April 27-30 2003, Bad Muenster am Stein,
Germany.
MUELLER, J., TIMMERMANN, H., LORENZ, M., HEPPERLE, D., DAY, J.G. & FRIEDL,
T.: The AFLP method for assessing the genetic stability in cryopreservation.
COBRA Mid term review meeting, June 12-14 2003; Goettingen, Germany.
MUELLER, J., TIMMERMANN, H., HEPPERLE, D., LORENZ, M., DAY, J.G., FRIEDL, T.:
Genetic integrity of cryopreserved microalgae: molecular markers of
post-preservation stability tests. The Third European Phycological Congress,
July 21-26 2003, Belfast, Ireland.
2002
KRIENITZ, L., WOLF, M., HEGEWALD, E., HEPPERLE, D. : Systematics of coccoid
green algae: Morphology versus 18S rRNA Gene Phylogeny, Biology and Taxonomy of
Green Algae, Smoleniče, Cech Republik, Jul 2002.
FRIEDL, T. & HEPPERLE, D. (2002): Evolution of green algae: a review based on
molecular phylogenetic analyses. In: Abstract of Algae2002, Tsukuba, Japan. Jul
19 - 24, 2002.
Wolf, M., Krienitz, L., Hegewald, E., HEPPERLE, D. : Phylogenetic Position of
the Golenkiniaceae (Chlorophyta) as inferred from 18S rDNA sequence data,
Biology and Taxonomy of Green Algae, Smoleniče, Cech Republik, Jul 2002.
KRIENITZ, L., WOLF, M., HEGEWALD, E., HEPPERLE, D. : Systematics of coccoid
green algae: Morphology versus 18S rRNA Gene Phylogeny, Botany 2002, Botany in
the Curriculum: Integrating Research and Teaching, Meeting of the Phycologial
Society of America, Madison, USA, Aug 2 - 7, 2002.
JAHN, R., CRAWFORD, R.M., FRIEDL, T., LAZARUS, D., MEDLIN, L., REISSER, W.,
BESZTERI, B., GLÜCK, K., HAMANN, K., HEPPERLE, D., HINZ, F., HUCK, V., JOBST,
A., KASTEN, J., KUSBER, W.-H., SALISCH, M., STRIEBEN, S. 2002:
Datenverfügbarkeit für die Systematische Forschung an Mikroalgen. - Abstract, 5.
Jahrestagung der Gesellschaft für Biologische Systematik, München, Germany, Sep
18 - 20, 2002.
JAHN, R., MEDLIN, L., CRAWFORD, R.M., FRIEDL, T., LAZARUS, D., GÄRTNER, G.,
KUSBER, W.-H., BESZTERI, B., HAMANN, K., HEPPERLE, D., HINZ, F., HUCK, V.,
JOBST, A., KASTEN, J., STRIEBEN, S. & TESKE, K. 2002: Taxonomische, molekulare
und ökologische Information zu Diatomeen: Planung des Informations-Systems "AlgaTerra".
Pp. 51-52 in Rott, E. & Binder, N. (eds): 16. Treffen Deutschsprachiger
Diatomologen mit internationaler Beteiligung, Innsbruck, Austria, Mar 15 - 17,
2002.
JAHN, R., MEDLIN, L., CRAWFORD, R.M., FRIEDL, T., LAZARUS, D., KUSBER, W.-H.,
BESZTERI, B., HAMANN, K., HEPPERLE, D., HINZ, F., HUCK, V., JOBST, A., KASTEN,
J., STRIEBEN, S. & TESKE, K. 2002: Taxonomic, molecular and ecological
information on diatoms: the Information System AlgaTerra. – 17th International
Diatom Symposium, Ottawa, Canada, Aug 25 - 31, 2002.
JAHN R., BESZTERI B., CRAWFORD R.M., FRIEDL T., HAMANN K., HEPPERLE D., HINZ
F., JOBST A., KUSBER W.-H., LAZARUS D., MEDLIN L., REISSER W., SALISCH M.,
STRIEBEN S., TESKE K., VAN DE PEER Y.: AlgaTerra: An Information System for
Terrestrial Algal Biodiversity. A synthesis of taxonomic, molecular and
ecological information. P. 36 in: Program & Abstracts; International Meeting of
Culture Collections of Algae: increasing accessibility and exploring Algal
Biodiversity, Göttingen, Sep 2 - 6, 2002.
MÜLLER J., HEPPERLE D., DAY J.G., FRIEDL T. (2002) Molecular markers in
genotypic post-preservation stability tests for the cryopreservation of
microalgae. In: Abstracts of Culture Collections of Algae: increasing
accessibility and exploring Algal Biodiversity. Poster, Sammlung von
Algenkulturen at Göttingen University (SAG), Göttingen, Germany, Sep. 2 - 6,
2002.
JAHN, R., MEDLIN L., CRAWFORD R.M, FRIEDL T., LAZARUS D., KUSBER W.-H.,
BESZTERI B., HAMANN K., GLÜCK K., HEPPERLE D., HINZ F., HUCK V., JOBST A.,
KASTEN J., STRIEBEN S.: Taxonomic, molecular and ecological information on
diatoms: The Information System AlgaTerra. P. 37 in: Program & Abstracts;
International Meeting of Culture Collections of Algae: increasing accessibility
and exploring Algal Biodiversity, Göttingen, Sep 2 - 6, 2002.
MUELLER, J., HEPPERLE, D., DAY, J.G., FRIEDL, T.: Molecular markers in
genotypic post-preservation stability tests for the cryopreservation of
microalgae. Cryopreservation and Safe Keeping of Cells and Tissues, May 13-15
2002, Hradec Kralove, Czech Republic
KRIENITZ, L., HEGEWALD, E., HEPPERLE, D., WOLF, M. (2002): Systematisches Konzept von Familien und Gattungen coccaler Grünalgen, Tagungsbericht 2001 der DGL. - Tutzing, 2002. - S. 585-588.
2001
HEPPERLE, D.: Phylogenie der Coelastraceae (Chlorophyta). Vortrag, 8.
wissenschaftliche Tagung der Sektion Phykologie, Helgoland, Germany, Feb 15 -
18, 2001
HEPPERLE, D.: Diversity of eukaryotic picoalgae, Vortrag, 7th International
Phycological Congress, Thessaloniki, Greece, Aug 18 - 25, 2001.
WOLF, M., KRIENITZ, L., BUCHHEIM, M., HEPPERLE, D.: Phylogenetic position of
the Sphaeropleaceae (Chlorophyta), Poster, 7th International Phycological
Congress, Thessaloniki, Greece, Aug 18 - 25, 2001.
CHAN, O.C., CASPER, P., WOLF, M., HEPPERLE, D.: Archaeal Community in the
Sediment of an Artificially Divided Acidic Bog Lake as Revealed by DGGE Analysis
of 16S rRNA Gene, 9th International Symposium on Microbial Ecology (ISME-9),
Amsterdam, Netherlands, Aug 26 - 31, 2001.
CHAN, O.C., CASPER, P., WOLF, M., HEPPERLE, D.: Archaeal community in the
sediment of an artificially divided acidic bog lake as revealed by DGGE analysis
of 16S rRNA gene, Kongress der Deutschen Gesellschaft für Limnologie, Kiel,
Germany, Sept 17 - 21, 2001.
CHAN, O.C., CASPER, P., WOLF, M., HEPPERLE, D.: Archaea im Sediment eines
künstlich geteilten, natürlich sauren Gewässers in NO-Deutschland, DAAD-BioForum
- Berlin: Grenzenlos forschen?, Berlin, Germany, Jun 7 - 10, 2001.
KRIENITZ, L., HEGEWALD, E., HEPPERLE, D., WOLF, M.: Systematsiches Konzept
von Familien und Gattungen coccaler Grünalgen: Morphologie versus 18S
rRNA-Gen-Sequenzen, Tagung der Deutschen Gesellschaft für Limnologie (DGL).
Kiel, Kiel, Sept 17 - 21, 2001.
SCHMIDT-HALEWICZ, S., HEPPERLE, D. 2001: OPTICOUNT - ein verbessertes Tool
zur mikroskopischen Planktonzählung. Tagung der Deutschen Gesellschaft für
Limnologie (DGL), Kiel, Sept 17 - 21, 2001.
FRIEDL, T., HEPPERLE, D. & VAN DE PEER, Y. 2001: Documentation of characters
of terrestrial algae in culture: rDNA sequence analyses, morphology and
cryopreservation of reference strains. Pp. 238-239. In: BIOLOG - German
Programme on Biodiversity and Global Change. Status Report 2001. Bonn, Germany.
2001.
2000
WOLF, M., KRIENITZ, L., HEGEWALD, E., HEPPERLE, D.: Schizochlamydella eine
Chlorella, Poster, Botanikertagung, Jena, Germany, Sept 17 - 22, 2000.
HEPPERLE, D., HEGEWALD, E., WOLF, M., KRIENITZ, L.: Phylogenetic Position of
the Coelastraceae (Chlorophyta) , Poster, Botanikertagung, Jena, Germany, Sept
17 - 22, 2000.
WOLF, M., KRIENITZ, L., HEGEWALD, E., HEPPERLE, D.: Schizochlamydella eine
Chlorella, Poster, Botanikertagung, Jena, Germany, 17.-22.09.2000.
Scheffler, W., A. Nicklisch & D. Hepperle. Dimorphismus bei Cyclotella
pseudocomensis (Bacillariophyceae Centrales). Abstract 14. Deutschsprachige
Diatomologen Tagung, Bern, Switzerland, 2000.
1999
HEPPERLE, D.: Mr. Bean & Kollegen - Autotrophes Picoplankton. Vortrag, 7.
wissenschaftliche Tagung der Sektion Phykologie, Bad Münster, Germany, Mar 8
-11, 1999.
HEPPERLE, D.: Biodiversität picoplanktischer Grünalgen. Vortrag, Deutsche
Gesellschaft für Limnologie, Jahrestagung 1999, Rostock, Germany, Sept 27 - Oct
01, 1999.
KRIENITZ, L., HEPPERLE, D.: Present state of the systematics of
picoplanktonic coccoid chlorophycean algae. Vortrag, XVI International Botanical
Congress, Saint Louis, Missouri, USA, Aug 1 - 7, 1999.
KRIENITZ, L. & HEPPERLE, D.: Systematics and ecology of chlorophycean
picoplankton in German inland waters of different trophic state. Vortrag. 12th
International Association of Phytoplankton Taxonomy and Ecology Workshop,
Winnipeg, Canada, Sept 6 - 16, 1999.
HEPPERLE, D., HEGEWALD, E. & KRIENITZ, L.: Systematics of chlorococcal algae
as revealed by molecular analysis. Vortrag. 12th International Association of
Phytoplankton Taxonomy and Ecology Workshop, Winnipeg, Canada, Sept 6 - 16, 1999
KRIENITZ, L. & HEPPERLE, D.: Zum Stand der Systematik picoplanktischer
coccaler Chlorophyceen. Vortrag. Workshop zum Jubiläum: 40 Jahre limnologische
Forschung am Stechlinsee“. Neuglobsow, Germany, Jun 10, 1999.
1998
KRIENITZ, L. & HEPPERLE, D.: Planktonic cyanobacteria of the oligotrophic
Lake Stechlin (Brandenburg). Vortrag , Kongress der Deutschen Botanischen
Gesellschaft, Bremen, Germany, Aug 30 - Sept 6, 1998.
1997
HEPPERLE, D.: Phylogenetic position of the Phacotaceae (Chlamydomondales,
Chlorophyta): Ultrastructure and molecular data, Vortrag, 6th International
Phycological Congress (IPC), Leiden, Netherlands, Aug 10 - 16, 1997
HEPPERLE, D.: Kalzitsättigungsindex und Kalzifizierung von Phacotus
lenticularis (Chlorophyta, Chlamydophyceae), Vortrag, 6. Wissenschaftliche
Tagung der Sektion Phykologie in der Deutschen Botanischen Gesellschaft,
Friedrichroda, Germany, Mar 17 - 20, 1997
1995
HEPPERLE, D.: Vergleichende Untersuchungen zur Systematik der Phacotaceae,
Vortrag, 5. Wissenschaftliche Tagung der Sektion Phykologie in der Deutschen
Botanischen Gesellschaft, Hofgeismar, Germany, Mar 6 - 9, 1995
1994
KRIENITZ, L. & HEPPERLE, D.: Systematik und Phylogenie der Phacotaceae (Chlamydomonadales),
Vortrag, Congress of the German Botanical Society, Bayreuth, Germany, Sept 11 -
19, 1994
1993
HEPPERLE, D.: Comparative investigations on species of Phacotaceae, Vortrag,
Internationales Symposium: “Biology and Taxonomy of Green Algae II”, Stara Lesna,
Slovakia, Sept 12 - 19, 1993
1992
KRIENITZ, L., KOSCHEL, R., GIERING, B., CASPER, S.J. & HEPPERLE, D.:
Phenomenology of organismic calcite precipitation by Phacotus in hardwater lakes
and ponds of northeastern Germany, Vortrag, 25th SIL Congress in Barcelona 1992,
Proc. Int. Assoc. Theor. Appl. Limnol. 25: 170-174. 1992.
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