{"refrec":{"BRefID":33037,"RR":"<b>Antonielli, M.; Pasqualini, S.; Batini, P.; Ederli, L.; Massacci, A.; Loreto, F.</b> (2002). Physiological and anatomical characterisation of <i>Phragmites australis</i> leaves. <i>Aquat. Bot. 72(1)</i>: 55-66. <a href=\"https://dx.doi.org/10.1016/S0304-3770(01)00220-0\" target=\"_blank\">https://dx.doi.org/10.1016/S0304-3770(01)00220-0</a>","BEntID":33037,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Aquat. Bot. 72(1)</i>: 55-66. <a href=\"https://dx.doi.org/10.1016/S0304-3770(01)00220-0\" target=\"_blank\">https://dx.doi.org/10.1016/S0304-3770(01)00220-0</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Antonielli, M.; Pasqualini, S.; Batini, P.; Ederli, L.; Massacci, A.; Loreto, F.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Antonielli, M. <i>et al.</i>","Englishabstract":"The anatomy, biochemistry and physiology of <i>Phragmites</i> leaves have been investigated. Biochemical and physiological measurements indicate that <i>Phragmites australis</i> leaves have a C<sub>3</sub> mechanism of carbon fixation. However, structural and ultra-structural observations of young leaves are more reminiscent of a C<sub>4</sub>-like anatomy. In addition, chloroplasts apparently fully competent for photochemical and biochemical reactions were in both the mesophyll and in the bundle sheath cells of young leaves. The activity of the principal enzyme involved in carbon metabolism, ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco), was high under ambient conditions (59.8 and 64.2 μmol m<sup>-2</sup> s<sup>-1</sup>, respectively in mature and young leaves). In contrast, phosphoenolpyruvate carboxylase activity was low in both mature and young leaves (7.8 and 8.1 μmol m<sup>-</sup> s<sup>-1</sup>, respectively) Despite the high Rubisco activity, the rate of photosynthesis of Phragmites leaves on a leaf area basis was low. We investigated if resistances to CO<sub>2</sub> entry in the leaves could limit photosynthesis. However, stomatal and mesophyll resistances to CO<sub>2</sub> diffusion in Phragmites leaves were comparable to those of terrestrial plants and did not restrict intercellular CO<sub>2</sub> concentration significantly.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Physiological and anatomical characterisation of <i>Phragmites australis</i> leaves","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-05 01:30:43.781562","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":"Bundle sheath anatomy; Diffusive resistance to CO2; Leaf anatomy; PEPcase; Photosynthesis; <i>Phragmites australis</i>; Rubisco","Notes":null,"AnaPub":2002,"MonPub":null,"DateUpdate":"2003-03-10","DateCreate":"2003-03-10","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000174175200005","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/S0304-3770(01)00220-0"},"refs":null,"anarec":{"AnaID":33037,"PubliDate":2002,"Pagination":"55-66","XtraPublOfAnaID":null,"ISBN":null,"Volume":"72","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42195,"SerRR":"Aquatic Botany. 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