The protein-import apparatus of plant mitochondria Hans-Peter BraunUdo Klaus Schmitz Review Pages: 267 - 274
Assimilate export by leaves of Ricinus communis L. growing under normal and elevated carbon dioxide concentrations: the same rate during the day, a different rate at night Claudia GrimmerEwald Komor Article Pages: 275 - 281
Role of O-acetyl-l-serine in the coordinated regulation of the expression of a soybean seed storage-protein gene by sulfur and nitrogen nutrition Hoyeun KimMasami Yokota HiraiToru Fujiwara Article Pages: 282 - 289
Phytochrome-controlled phototropism of protonemata of the moss Ceratodon purpureus: physiology of the wild type and class 2 ptr–mutants Heike EschElmar HartmannTilman Lamparter Article Pages: 290 - 298
Irradiance-dependent regulation of gravitropism by red light in protonemata of the moss Ceratodon purpureus Volker D. KernFred D. Sack Article Pages: 299 - 307
Proteolytic cleavage of plant proteins by peroxisomal endoproteases from senescent pea leaves Stefania DistefanoJosé M. PalmaLuis A. del Río Article Pages: 308 - 313
Orotate leads to a specific increase in uridine nucleotide levels and a stimulation of sucrose degradation and starch synthesis in discs from growing potato tubers Irene LoefMark StittPeter Geigenberger Article Pages: 314 - 323
The relationship between the rate of starch synthesis, the adenosine 5′-diphosphoglucose concentration and the amylose content of starch in developing pea embryos Belinda R. ClarkeKay DenyerAlison M. Smith Article Pages: 324 - 329
The contribution of adenosine 5′-diphosphoglucose pyrophosphorylase to the control of starch synthesis in potato tubers Lee J. SweetloveBernd Müller-RöberSteven A. Hill Article Pages: 330 - 337
Contribution of adenosine 5′-diphosphoglucose pyrophosphorylase to the control of starch synthesis is decreased by water stress in growing potato tubers Peter GeigenbergerBernd Müller-RöberMark Stitt Article Pages: 338 - 345
Rapid stalk elongation in tulip (Tulipa gesneriana L. cv. Apeldoorn) and the combined action of cold-induced invertase and the water-channel protein γTIP Peter A. BalkA. Douwe de Boer Article Pages: 346 - 354
Substrate inhibition and affinities of the glyoxysomal β-oxidation of sunflower cotyledons Bernt GerhardtKerstin FischerBarbara Wenzel Article Pages: 355 - 363
Chlorophyll b reduction during senescence of barley seedlings Verena ScheumannSiegrid SchochWolfhart Rüdiger Article Pages: 364 - 370
Isolation of dividing chloroplasts with intact plastid-dividing rings from a synchronous culture of the unicellular red alga Cyanidioschyzon merolae Shin-ya MiyagishimaRyuuichi ItohTsuneyoshi Kuroiwa Rapid communication Pages: 371 - 375