The Evolution of Plant Physiology 2004
DOI: 10.1016/b978-012339552-8/50010-x
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Early land plant adaptations to terrestrial stress

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Cited by 33 publications
(34 citation statements)
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“…Our quantitative studies of resistant carbon suggest that Lilliputian forests of marchantioid liverworts, if present in the Early Paleozoic (as suggested by microfossil nematophytes), may have sequestered resistant organic carbon. If sufficient amounts of this liverwort-produced carbon were buried, there may well have been an impact on early terrestrial carbon cycles, an effect also proposed for early moss-like plants (17), long before dominance of woody land plants. Quantitative determinations of resistant carbon in additional liverwort taxa as well as estimates of cover and productivity for these taxa will be necessary to estimate the possible global carbon-cycle impact of liverwort-like early land plants.…”
Section: Discussionmentioning
confidence: 99%
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“…Our quantitative studies of resistant carbon suggest that Lilliputian forests of marchantioid liverworts, if present in the Early Paleozoic (as suggested by microfossil nematophytes), may have sequestered resistant organic carbon. If sufficient amounts of this liverwort-produced carbon were buried, there may well have been an impact on early terrestrial carbon cycles, an effect also proposed for early moss-like plants (17), long before dominance of woody land plants. Quantitative determinations of resistant carbon in additional liverwort taxa as well as estimates of cover and productivity for these taxa will be necessary to estimate the possible global carbon-cycle impact of liverwort-like early land plants.…”
Section: Discussionmentioning
confidence: 99%
“…In contrast, little more than spores (and smooth gemmae, in the case of Blasia) was recovered from the other liverworts examined. Subsequently, quantitative hightemperature acetolysis (17) was performed separately on 10 samples each of Marchantia vegetative thalli and mature archegoniophore stalks and heads (which included dehiscent sporophytes) as a way of conservatively estimating the percentage of hydrolysis-resistant carbon in bodies of Marchantia, excluding spores and elaters.…”
Section: Methodsmentioning
confidence: 99%
“…Biomass was determined using a Sartorius analytical weight type 1872 (Brinkman Instruments, Westbury, NY) and then utilized for quantitative acetolysis (Graham et al 2004(Graham et al , 2010 to determine the relative amount of hydrolysis-resistant biomass. Plants from three replicate culture dishes per treatment were dried and weighed, and cellulose was extracted and quantified.…”
Section: Harvesting and Biomass Assessmentmentioning
confidence: 99%
“…Such acidification influences peatland community composition and fosters peat accumulation in the ecosystem by slowing the decomposition process (Clymo 1965;Coulson and Butterfield 1978;Johnson and Damman 1993;Aerts et al 2001;Rydin and Jeglum 2006;Pankratov et al 2011). Cell wall polysaccharides are known to reduce decay processes (Hájek et al 2011), and hydrolysisresistant, phenolic cell wall polymers not only foster formation of peat by nonliving tissues but also confer to living plant tissues resistance to microbial attack, desiccation, and cellular damage from UV originating from solar emissions (Kroken et al 1996;Graham et al 2004). …”
mentioning
confidence: 97%
“…1,2 Early gametophytedominant streptophytes, thought to have had ecological roles and biogeochemical impacts much like those of modern streptophyte algae and bryophytes, likely contributed to soil formation and stability, provided nutritional resources for early terrestrial heterotrophs, and influenced atmospheric chemistry for tens of millions of years prior to the rise of vascular plants. 3,4 Because the latest-diverging modern streptophyte algae and the earliestdiverging modern embryophytes display prostrate dorsiventral or erect axial bodies, these growth forms are also inferred for earliest terrestrial vegetation. 5,6 Even so, the particular environmental influences that determine dorsiventral or axial gametophytic body orientation in modern seedless plants are largely unknown.…”
Section: Introductionmentioning
confidence: 99%