@article{RuzanskiSmirnovaRejzeketal.2013,
  author    = {Ruzanski, Christian and Smirnova, Julia and Rejzek, Martin and Cockburn, Darrell and Pedersen, Henriette L. and Pike, Marilyn and Willats, William G. T. and Svensson, Birte and Steup, Martin and Ebenh{\"o}h, Oliver and Smith, Alison M. and Field, Robert A.},
  title     = {A bacterial glucanotransferase can replace the complex maltose metabolism required for starch to sucrose conversion in leaves at night},
  series = {The journal of biological chemistry},
  volume    = {288},
  journal   = {The journal of biological chemistry},
  number    = {40},
  publisher = {American Society for Biochemistry and Molecular Biology},
  address   = {Bethesda},
  issn      = {0021-9258},
  doi       = {10.1074/jbc.M113.497867},
  pages     = {28581 -- 28598},
  year      = {2013},
  abstract  = {Controlled conversion of leaf starch to sucrose at night is essential for the normal growth of Arabidopsis. The conversion involves the cytosolic metabolism of maltose to hexose phosphates via an unusual, multidomain protein with 4-glucanotransferase activity, DPE2, believed to transfer glucosyl moieties to a complex heteroglycan prior to their conversion to hexose phosphate via a cytosolic phosphorylase. The significance of this complex pathway is unclear; conversion of maltose to hexose phosphate in bacteria proceeds via a more typical 4-glucanotransferase that does not require a heteroglycan acceptor. It has recently been suggested that DPE2 generates a heterogeneous series of terminal glucan chains on the heteroglycan that acts as a glucosyl buffer to ensure a constant rate of sucrose synthesis in the leaf at night. Alternatively, DPE2 and/or the heteroglycan may have specific properties important for their function in the plant. To distinguish between these ideas, we compared the properties of DPE2 with those of the Escherichia coli glucanotransferase MalQ. We found that MalQ cannot use the plant heteroglycan as an acceptor for glucosyl transfer. However, experimental and modeling approaches suggested that it can potentially generate a glucosyl buffer between maltose and hexose phosphate because, unlike DPE2, it can generate polydisperse malto-oligosaccharides from maltose. Consistent with this suggestion, MalQ is capable of restoring an essentially wild-type phenotype when expressed in mutant Arabidopsis plants lacking DPE2. In light of these findings, we discuss the possible evolutionary origins of the complex DPE2-heteroglycan pathway.},
  language  = {en}
}
@book{GuentherPetscheFischeretal.2015,
  author    = {G{\"u}nther, Oliver and Petsche, Hans-Joachim and Fischer, Martin H. and Franz, Norbert P. and Steup, Martin and Sixtus, Elena and Heimann, Heinz-Dieter and Pr{\"o}ve, Ralf},
  title     = {Raum und Zahl im Fokus der Wissenschaften},
  series = {Studieren ++ : Konzepte, Perspektiven, Kompetenzen ; 1},
  journal   = {Studieren ++ : Konzepte, Perspektiven, Kompetenzen ; 1},
  editor    = {Petsche, Hans-Joachim},
  publisher = {Trafo},
  address   = {Berlin},
  isbn      = {978-3-86464-082-7},
  pages     = {168},
  year      = {2015},
  abstract  = {Die nun begonnene Reihe „studieren++" resultiert aus einer von der Universit{\"a}t Potsdam angebotenen Vorlesungsreihe. Das Besondere an dieser Vorlesungsreihe ist der multidisziplin{\"a}re Anspruch und die konsequent umgesetzte Zusammenarbeit {\"u}ber Disziplingrenzen hinweg. Die nicht nur {\"u}ber Instituts-, sondern {\"u}ber Fakult{\"a}tsgrenzen praktizierte Interdisziplinarit{\"a}t erlaubt die Betrachtung eines Problems oder Sachverhalts aus unterschiedlichen Blickwinkeln. Wissenschaftliche Fragestellungen sind komplex und nicht immer auf eine Disziplin beschr{\"a}nkt. Sie in ihrer G{\"a}nze erfassen und nachhaltige L{\"o}sungsstrategien oder Konzepte entwickeln zu k{\"o}nnen gelingt oft nur durch eine multidisziplin{\"a}re Kooperation. Eine Lehrveranstaltung wie die vorliegende ist nicht nur f{\"u}r die Studierenden einer Universit{\"a}t eine hervorragende M{\"o}glichkeit, um {\"u}ber die Grenzen der eigenen Disziplin hinaus zu blicken und die Zusammenarbeit mit Wissenschaftlerinnen und Wissenschaftlern aus anderen Bereichen zu pflegen. So lernt man, sich in andere Sichtweisen hineinzuversetzen und sich zwischen den Disziplinen zu bewegen - eine Kompetenz, die in der hochkomplexen Arbeitswelt von heute von hohem Nutzen ist. Der vorliegende erste Band der Reihe hat „Raum und Zahl" zum Thema und ist aus einer Ringvorlesung aus dem Wintersemester 2013/2014 entstanden. Drei der f{\"u}nf Fakult{\"a}ten, insgesamt neun Institute der Universit{\"a}t Potsdam, haben sich an der Vorlesung beteiligt und sich dieses spannenden Themas angenommen. Als jemand, der sich jahrelang wissenschaftlich mit algorithmischer Geometrie sowie mit raumbezogenen Datenbanken und Navigationssystemen besch{\"a}ftigt hat, kann ich nur bekr{\"a}ftigen, dass die Bez{\"u}ge zwischen Raum und Zahl, zwischen R{\"a}umen und Zahlen, noch viel st{\"a}rker im {\"o}ffentlichen Bewusstsein verankert geh{\"o}ren. R{\"a}ume auch quantitativ zu erfassen und zu verstehen ist eine Kulturtechnik, die an Wichtigkeit eher noch zunimmt, vor allem vor dem Hintergrund, dass wir genetisch nicht allzu gut auf derartige Herausforderungen vorbereitet sind. Denn viele unserer einschl{\"a}gigen Gene entstammen noch aus der Zeit der Savanne, einer Zeit, zu der das Raumkonzept sich fast ausschließlich auf die unmittelbare r{\"a}umliche Umgebung bezog und Zahlen jenseits von 10 nur wenig Relevanz f{\"u}r das eigene {\"U}berleben hatten. Als Pr{\"a}sident der Universit{\"a}t Potsdam freut es mich ganz besonders, dass sich die hier vertretenen Wissenschaftler bereit erkl{\"a}rt haben, ihre {\"U}berlegungen mit den Studierenden und ihren Kolleginnen und Kollegen zu teilen. Herrn Kollegen Hans-Joachim Petsche m{\"o}chte ich f{\"u}r sein Engagement danken und ihm zu dieser gelungenen Reihe gratulieren. Der Geist der Wissenschaft, der nicht nur einsam im B{\"u}ro oder Labor gelebt wird, sondern gerade an einer Universit{\"a}t auch aktiv nach außen getragen werden sollte, wird hier in besonderer Weise sichtbar. Ich w{\"u}nsche Ihnen viel Freude bei der Lekt{\"u}re des Bandes und freue mich auf weitere Ver{\"o}ffentlichungen in dieser Reihe.},
  subject      = {Raum},
  language  = {de}
}
@misc{VolkMarkertRiejoketal.2006,
  author    = {Volk, Benno and Markert, Doreen and Riejok, Henriette and Dittberner, J{\"u}rgen and Wanka, Johanna and Wilkens, Martin and G{\"o}rtemaker, Manfred and Regierer, Babette and Steup, Martin and M{\"u}ller-R{\"o}ber, Bernd and Wernicke, Matthias and Altenberger, Uwe and St{\"o}lting, Erhard and Fer{\´y}, Carolin and Egenter, Peter and Lenz, Claudia and Jakubowski, Zuzanna and Kl{\"o}tzer, Sylvia and Krause, Michael and Dietsch, Ulrich},
  title     = {Portal = Vor der Pr{\"a}sidenten-Wahl: Erwartungen, W{\"u}nsche, Vorschl{\"a}ge},
  number    = {04-05/2006},
  organization    = {Universit{\"a}t Potsdam, Referat f{\"u}r Presse- und {\"O}ffentlichkeitsarbeit},
  issn      = {1618-6893},
  doi       = {10.25932/publishup-44000},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus4-440005},
  pages     = {50},
  year      = {2006},
  abstract  = {Aus dem Inhalt: - Vor der Pr{\"a}sidenten-Wahl: Erwartungen, W{\"u}nsche, Vorschl{\"a}ge - Der AStA in der Krise? - {\"U}ber Satire und Macht in der DDR - Vom F{\"u}nf-Sterne-Koch zum Mensaleiter},
  language  = {de}
}
@article{NakamuraSteupColleonietal.2022,
  author    = {Nakamura, Yasunori and Steup, Martin and Colleoni, Christophe and Iglesias, Alberto A. and Bao, Jinsong and Fujita, Naoko and Tetlow, Ian},
  title     = {Molecular regulation of starch metabolism},
  series = {Plant molecular biology : an international journal of fundamental research and genetic engineering},
  volume    = {108},
  journal   = {Plant molecular biology : an international journal of fundamental research and genetic engineering},
  number    = {4-5},
  publisher = {Springer},
  address   = {Dordrecht},
  issn      = {0167-4412},
  doi       = {10.1007/s11103-022-01253-0},
  pages     = {289 -- 290},
  year      = {2022},
  language  = {en}
}
@misc{SchmaelzlinDongenKlimantetal.2005,
  author    = {Schm{\"a}lzlin, Elmar and Dongen, Joost T. van and Klimant, Ingo and Marmod{\´e}e, Bettina and Steup, Martin and Fishahn, Joachim and Geigenberger, Peter and L{\"o}hmannsr{\"o}ben, Hans-Gerd},
  title     = {An optical multifrequency phase-modulation method using microbeads for measuring intracellular oxygen concentrations in plants},
  url       = {http://nbn-resolving.de/urn:nbn:de:kobv:517-opus-12232},
  year      = {2005},
  abstract  = {A technique has been developed to measure absolute intracellular oxygen concentrations in green plants. Oxygen-sensitive phosphorescent microbeads were injected into the cells and an optical multifrequency phase-modulation technique was used to discriminate the sensor signal from the strong autofluorescence of the plant tissue. The method was established using photosynthesis-competent cells of the giant algae Chara corallina L., and was validated by application to various cell types of other plant species.},
  language  = {en}
}
@article{FettkeEckermannTiessenetal.2005,
  author    = {Fettke, J{\"o}rg and Eckermann, Nora and Tiessen, Axel and Geigenberger, Peter Ludwig and Steup, Martin},
  title     = {Identification, subcellular localization and biochemical characterization of water-soluble heteroglycans (SHG) in leaves of Arabidopsis thaliana L. : distinct SHG reside in the cytosol and in the apoplast},
  issn      = {0960-7412},
  year      = {2005},
  abstract  = {Water-soluble heteroglycans (SHG) were isolated from leaves of wild-type Arabidopsis thaliana L. and from two starch-deficient mutants. Major constituents of the SHG are arabinose, galactose, rhamnose, and glucose. SHG was separated into low (< 10 kDa; SHG(S)) and high (> 10 kDa; SHG(L)) molecular weight compounds. SHG(S) was resolved into approximately 25 distinct oligoglycans by ion exchange chromatography. SHG(L) was further separated into two subfractions, designated as subfraction I and II, by field flow fractionation. For the intracellular localization of the various SHG compounds several approaches were chosen: first, leaf material was subjected to non-aqueous fractionation. The apolar gradient fractions were characterized by monitoring markers and were used as starting material for the SHG isolation. Subfraction I and SHG(S) exhibited a distribution similar to that of cytosolic markers whereas subfraction II cofractionated with crystalline cellulose. Secondly, intact organelles were isolated and used for SHG isolation. Preparations of intact organelles (mitochondria plus peroxisomes) contained no significant amount of any heteroglycan. In isolated intact microsomes a series of oligoglycans was recovered but neither subfraction I nor II. In in vitro assays using glucose 1-phosphate and recombinant cytosolic (Pho 2) phosphorylase both SHG(S) and subfraction I acted as glucosyl acceptor whereas subfraction II was essentially inactive. Rabbit muscle phosphorylase a did not utilize any of the plant glycans indicating a specific Pho 2-glycan interaction. As revealed by in vivo labeling experiments using (CO2)-C-14 carbon fluxes into subfraction I and II differed. Furthermore, in leaves the pool size of subfraction I varied during the light-dark regime},
  language  = {en}
}
@article{YuKoflerHaeusleretal.2001,
  author    = {Yu, Tien-Shin and Kofler, Heike and H{\"a}usler, Rainer E. and Hille, Diana and Fl{\"u}gge, Ulf-Ingo and Zeeman, Samuel C. and Smith, Alison M. and Kossmann, Jens and Lloyd, James R. and Ritte, Gerhard and Steup, Martin and Lue, Wei-Ling and Chen, Jychian and Weber, Andreas P. M.},
  title     = {The Arabidopsis sex1 mutant is defective in the R1 protein, a general regulator of starch degradation in plants, and not in the chloroplast hexose transporter},
  issn      = {1040-4651},
  year      = {2001},
  language  = {en}
}
@article{GrunwaldtHaebelSpitzetal.2002,
  author    = {Grunwaldt, Gisela and Haebel, Sophie and Spitz, Christian and Steup, Martin and Menzel, Ralf},
  title     = {Multiple binding sites of fluorescein isothiocyanate moieties on myoglobin : photophysical heterogeneity as revealed by ground- and excited-state spectroscopy},
  issn      = {1011-1344},
  year      = {2002},
  language  = {en}
}
@article{RitteLloydEckermannetal.2002,
  author    = {Ritte, Gerhard and Lloyd, James R. and Eckermann, Nora and Rottmann, Antje and Kossmann, Jens and Steup, Martin},
  title     = {The starch-related R1 protein is an a-glucan, water dikinase},
  issn      = {0027-8424},
  year      = {2002},
  language  = {en}
}
@article{ReimannRitteSteupetal.2002,
  author    = {Reimann, Rezarta and Ritte, Gerhard and Steup, Martin and Appenroth, Klaus-J.},
  title     = {Association of a-amylase and the R1 protein with starch granules precedes the initiation of net starch degradation in turions of Spirodela polyrhiza},
  issn      = {0031-9317},
  year      = {2002},
  language  = {en}
}
@article{AlbrechtKochLodeetal.2001,
  author    = {Albrecht, Tanja and Koch, Anke and Lode, Anja and Greve, Burkhard and Schneider-Mergener, Jens and Steup, Martin},
  title     = {Plastidic (Pho1-type) phosphorylase isoforms in potato (Solanum tuberosum L.) plants : expression analysis and immunochemical characterization},
  year      = {2001},
  language  = {en}
}
@article{BallLienardWattebledetal.2003,
  author    = {Ball, Steven G. and Li{\´e}nard, Luc and Wattebled, Fabrice and Steup, Martin and Hicks, Glenn and d'Hulst, Christophe},
  title     = {Defining the functions of maltodextrin active enzymes in starch metabolism in the unicellular alga Chlamydomonas reinhardtii},
  year      = {2003},
  language  = {en}
}
@article{EckermannFettkeSteup2002,
  author    = {Eckermann, Nora and Fettke, J{\"o}rg and Steup, Martin},
  title     = {Identification of polysaccharide binding proteins by affinity electrophoresis in inhomogeneous polyacrylamide gels and subsequent SDS-PAGE/MALDI-TOF analysis},
  year      = {2002},
  language  = {en}
}
@article{WernerBehrsingScharteetal.2002,
  author    = {Werner, Deljana and Behrsing, Olaf and Scharte, Gudrun and Woller, Jochen and Steup, Martin and Micheel, Burkhard},
  title     = {Monoclonal anti-diuron antibodies prevent inhibition of photosynthesis by diuron},
  year      = {2002},
  language  = {en}
}
@article{RitteSteupKossmannetal.2003,
  author    = {Ritte, Gerhard and Steup, Martin and Kossmann, Jens and Lloyd, James R.},
  title     = {Determination of the starch phosphorylating enzyme activity in plant extracts},
  year      = {2003},
  language  = {en}
}
@article{KehrHaebelBlechschmidtSchneideretal.1999,
  author    = {Kehr, Julia and Haebel, Sophie and Blechschmidt-Schneider, Sabine and Willmitzer, Lothar and Steup, Martin and Fisahn, Joachim},
  title     = {Analysis of phloem protein patterns from different organs of Cucurbita maxima Duch. by matrix-assisted laser desorption/ionization time of flight mass spectroscopy combined with sodium dodecyl sufate-polyacryilamide gel electrophoresis},
  year      = {1999},
  language  = {en}
}
@article{AlbrechtGrevePuschetal.1998,
  author    = {Albrecht, Tanja and Greve, Burkhard and Pusch, Kerstin and Koßmann, Jens and Buchner, Peter and Wobus, Ulrich and Steup, Martin},
  title     = {Homo- and Heterodimers of Pho1-Type Phosphorylase Isoforms in Solanum tuberosum L. as Revealed by Sequence- Specific Antibodies},
  year      = {1998},
  language  = {en}
}
@article{DuwenigSteupWillmitzeretal.1997,
  author    = {Duwenig, Elke and Steup, Martin and Willmitzer, Lothar and Kossmann, Jens},
  title     = {Antisense inhibition of cytosolic phosphorylase in potato plants (Solanum tuberosum L.) affects tuber sprouting and flower formation with only little impact on carbohydrate metabolism},
  year      = {1997},
  language  = {en}
}
@article{HaebelAlbrechtSparbieretal.1998,
  author    = {Haebel, Sophie and Albrecht, Tanja and Sparbier, Katrin and Walden, Peter and K{\"o}rner, Roman and Steup, Martin},
  title     = {Electrophoresis-related protein modification: alkylation of carboxy residues revealed by mass spectrometry},
  year      = {1998},
  language  = {en}
}
@article{StahlLinosKarasetal.1997,
  author    = {Stahl, Bernd and Linos, Alexandros and Karas, Michael and Hillenkamp, Franz and Steup, Martin},
  title     = {Analysis of fructans from higher plants by matrix-assisted laser desorption/ionization mass spectrometry},
  year      = {1997},
  language  = {en}
}