Soil humic substances stimulate proton release by intact oat seedling roots

References

• Albuzio , A. , Ferrari , G. and Nardi , S. 1986 . Effects of humic substances on nitrate uptake and assimilation in barley seedlings . Can. J. Soil Sci. , 66 : 731 – 736 .
   Web of Science ®Google Scholar
• Briskin , D.P. 1986 . Plasma membrane H+‐transporting ATPase: Role in potassium ion transport? . Physiol. Plant. , 68 : 159 – 163 .
   Web of Science ®Google Scholar
• Cocucci , M. , Ballarin‐Denti , A. and Marré , M.T. 1980 . Effects of orthovanadate on H+ secretion, K+ uptake, electric potential difference and membrane ATPase activities of higher plant tissues . Plant Sci. Lett. , 17 : 391 – 400 .
   Google Scholar
• Cramer , G.R. , Läuchli , A. and Polito , V.S. 1985 . Displacement of Ca2+ by Na+ from the plasmalemma of root cells. A primary response of salt stress? . Plant Physiol. , 79 : 207 – 211 .
   PubMed Web of Science ®Google Scholar
• David , P.P. , Nelson , P.V. and Sanders , D.C. 1994 . A humic acid improves growth of tomato seedling in solution culture . J. Plant Nutr. , 17 (1) : 173 – 184 .
   Web of Science ®Google Scholar
• Dell'Agnola , G. and Ferrari , G. . Azione delle sostanze umiche del terreno sull'assorbimento radicale . Proceedings VIII International Symposium Agrochemistry . Venice, Italy. pp. 298 – 304 .
   Google Scholar
• De Nobili , M. , Contin , M. and Leita , L. 1990 . Alternative method for determination of carboxyl groups of humic substances . Can. J. Soil Sci. , 70 : 531 – 536 .
   Web of Science ®Google Scholar
• Glass , A.D.M. and Siddiqi , M.Y. 1981 . Potassium‐hydrogen ion exchange across barley roots: An introduction to chemiosmotic principles of solute transport . J. Biol. Educ. , 15 (4) : 289 – 293 .
   Web of Science ®Google Scholar
• Guminski , S. , Sulej , J. and Glabiszewski , J. 1983 . Influence of sodium humate on the uptake of some ions by tomato seedlings . Acta Soc. Bot. Pol. , 52 : 149 – 164 .
   Web of Science ®Google Scholar
• Maggioni , A. , Varanini , Z. , Nardi , S. and Pinton , R. 1987 . Action of soil humic matter on plant roots: Stimulation of ion uptake and effects on (Mg2+‐K+)‐ATPase activity . Sci. Tot. Environ. , 62 : 355 – 363 .
   Web of Science ®Google Scholar
• Marrd , M.T. , Moroni , A. , Albergoni , F.G. and Marré , E. 1988 . Plasmalemma redox activity and H+ extrusion . Plant Physiol. , 87 : 25 – 29 .
   PubMed Web of Science ®Google Scholar
• Marschner , H. , Römheld , V. , Horst , W.J. and Martin , P. 1986 . Root‐induced changes in the rhizosphere: Importance for the mineral nutrition of plant . Z. Pflanzenernaehr. Bodenk. , 149 : 441 – 456 .
   Web of Science ®Google Scholar
• Mengel , K. and Schubert , S. 1985 . Active extrusion of protons into deionized water by roots of intact maize plants . Plant Physiol. , 79 : 344 – 348 .
   PubMed Web of Science ®Google Scholar
• Nardi , S. , Concheri , G. , Dell'Agnola , G. and Scrimin , P. 1991 . Nitrate uptake and ATPase activity in oat seedlings in the presence of two humic fractions . Soil Biol. Biochem. , 23 : 833 – 836 .
   Web of Science ®Google Scholar
• Pinton , R. , Cesco , S. , Santi , S. and Varanini , Z. 1995 . Effect of soil humic substances on surface redox activity of oat roots . J. Plant Nutr. , 18 : 2111 – 2120 .
   Web of Science ®Google Scholar
• Pinton , R. , Varanini , Z. , Vizzotto , G. and Maggioni , A. 1992 . Soil humic substances affect transport properties of tonoplast vesicles isolated from oat roots . Plant Soil , 142 : 203 – 210 .
   Web of Science ®Google Scholar
• Römheld , V. , Muller , C. and Marschner , H. 1984 . Localization and capacity of proton pump in roots of intact sunflower plants . Plant Physiol. , 76 : 603 – 606 .
   PubMed Web of Science ®Google Scholar
• Rubinstein , B. , Stern , A.I. and Chalmers , J.D.C. 1992 . Relationship between electron transport across the plasmalemma and a pH decrease in the bulk medium . Plant Physiol. , 98 : 988 – 994 .
   PubMed Web of Science ®Google Scholar
• Samson , G. and Visser , S.A. 1989 . Surface‐active effect of humic acids on potato cell membrane properties . Soil Biol. Biochem. , 21 : 343 – 347 .
   Web of Science ®Google Scholar
• Serrano , R. 1989 . Structure and function of plasma membrane ATPase . Annu. Rev. Plant Physiol. Plant Mol. Biol. , 40 : 61 – 94 .
   Web of Science ®Google Scholar
• Slesak , E. , Tretyn , A. and Jurek , J. . The influence of potassium humate on electric potentials in plants . Transactions International Symposium “Humus et Planta VIII” . Prague, Czech Republic. Studies About Humus , pp. 260 – 262 .
   Google Scholar
• Spanswick , R.M. 1981 . Electrogenic ions pumps . Annu. Rev. Plant Physiol. , 32 : 267 – 289 .
   Google Scholar
• Stevenson , F.J. 1994 . Humus Chemistry: Genesis, Composition, Reaction , New York, NY : John Wiley & Sons .
   Google Scholar
• Ullrich , C.I. and Guern , J. 1990 . Ion fluxes and pH changes induced by trans‐ plasmalemma electron transfer and fusicoccin in Lemma gibba L. (strain G1) . Planta , 180 : 390 – 399 .
   PubMed Web of Science ®Google Scholar
• Ullrich , W.R. 1992 . “ Transport of nitrate and ammonium through plant membranes ” . In Nitrogen Metabolism of Plants , Edited by: Mengel , K. and Pilbeam , D.J. 121 – 138 . Oxford, , England : Oxford University Press .
   Google Scholar
• Varanini , Z. and Pinton , R. 1995 . Humic substances and plant nutrition . Prog. Bot. , 56 : 97 – 117 .
   Google Scholar
• Varanini , Z. , Pinton , R. , De Biasi , M.G. , Astolfi , S. and Maggioni , A. 1993 . Low molecular weight humic substances stimulate H+‐ATPase activity of plasma membrane vesicles isolated from oat (Avena sativa L.) roots . Plant Soil , 153 : 61 – 69 .
   Web of Science ®Google Scholar
• Walkley , A. and Black , I.A. 1934 . An examination of the Degtiareff method for determining soil organic matter and a proposed modification of the chromic acid titration method . Soil Sci. , 37 : 29 – 38 .
   Web of Science ®Google Scholar
• Zimmerman , A.P. 1981 . Electron intensity, the role of humic acids in extracellular electron transport and chemical determination of pE in natural water . Hydrobiology , 78 : 259 – 265 .
   Web of Science ®Google Scholar