Mesophyll Architecture and Cell Exposure to Intercellular Air Space in Alpine, Desert, and Forest Species

Slaton, Michèle R.; Smith, William K.

doi:10.1086/342517

Cited by 49 publications

(51 citation statements)

References 52 publications

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“…Leaves of xeromorphic species tend to be more compact. Slaton & Smith (2002) mention that there is up to 95% contact surface between cells and little contact with intercellular spaces. The tendency to have relatively large intercellular spaces has already been observed in xeromorphic species with dorsiventral mesophyll and abaxial surface densely covered by trichomes (Burrows 2001).…”

Section: Discussionmentioning

confidence: 99%

Leaf anatomy of two Anemia Sw. species (Schizaeaceae-Pteridophyte) from a rocky outcrop in Niterói, Rio de Janeiro, Brazil

Ribeiro¹,

Santos²,

Moraes³

2007

Rev. bras. Bot.

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-(Leaf anatomy of two Anemia Sw. species (Schizaeaceae-Pteridophyte) from a rocky outcrop in Niterói, Rio de Janeiro, Brazil). The ferns Anemia tomentosa (Sav.) Sw. var. anthriscifolia (Schrad.) Mickel and Anemia villosa Humb. & Bonpl. ex Willd. are widely associated with vegetation islands on rocky outcrops in Rio de Janeiro. Both species are desiccation tolerant. The leaf anatomy of these species was examined aiming to identify morphological characteristics that would allow the establishment of these species in water-scarce environments. The plants were harvested on "Pedra de Itacoatiara" and prepared according to the usual procedures. The petiole has a uniseriate epidermis with lignified cell walls, conical stegmata, and uniseriate multicelular and glandular trichomes.

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Section: Discussionmentioning

confidence: 99%

Leaf anatomy of two Anemia Sw. species (Schizaeaceae-Pteridophyte) from a rocky outcrop in Niterói, Rio de Janeiro, Brazil

Ribeiro¹,

Santos²,

Moraes³

2007

Rev. bras. Bot.

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“…James et al (1999) also used a model-based approach to the measurement of the mesophyll surface area per leaf area from oblique-paradermal sections -the latter exploited Image-Pro Plus software. Slaton and Smith (2002), Khramtsova et al (2003), and Rhizoupoulou and Psaras (2003) also measured this parameter by model-based methods.…”

Section: Surface Area Of Mesophyll Cells and Internal Leaf Surface Areamentioning

confidence: 99%

Stereology, an Unbiased Methodological Approach to Study Plant Anatomy and Cytology: Past, Present and Future

Kubínová¹,

Radochová²,

Lhotáková³

et al. 2017

Image Anal Stereol

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This review presents an historical overview of stereological methods used for the quantitative evaluation of plant anatomical and cytological structures. It includes the origins of these methods up to the most recent developments such as the application of stereology based on 3D images. We focus especially on leaf, as the vast majority of studies of plant microscopic structure examine this organ. An overview of plant cell ultrastructure measurements as well as plant anatomical characteristics (e.g., plant tissue volume density, internal leaf surface area, number and mean size of mesophyll cells and chloroplast number), which were estimated by stereological methods most frequently, is presented. We emphasize the importance of proper sampling needed for unbiased measurements. Furthermore, we mention other methods used for plant morphometric studies and briefly discuss their relevance, precision, unbiasedness and efficiency in comparison with unbiased stereology. Finally, we discuss reasons for the sparse use of stereology in plant anatomy and consider the future of stereology in plant research.

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“…[20][21][22][23][24] Even though plants lose 95% of the water absorbed from the roots at the leaves by transpiration, they can successively cope with the water loss by fast water transport for survival. 25 Plant leaves are considered to have the double-layered porous structures, composed of tightly packed palisade mesophyll (PM) cell layer and loosely connected spongy mesophyll (SM) cell layer ( Fig. 1(a)).…”

mentioning

confidence: 99%

“…1(b)). 25 The biodiversity of leaf internal structures raises questions about structural design for effective mass transport.…”

mentioning

confidence: 99%

“…This model study aims to investigate the effect of morphological design of porous media for effective mass transport. In addition, unveiled relations 25 between structural factors were explored by using a parametric study. From these perspectives, this study is expected to provide a new framework for determining fundamental design parameters of porous structures for effective mass transport.…”

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confidence: 99%

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Structural design of a double-layered porous hydrogel for effective mass transport

Kim

Huh

et al. 2015

Biomicrofluidics

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Mass transport in porous materials is universal in nature, and its worth attracts great attention in many engineering applications. Plant leaves, which work as natural hydraulic pumps for water uptake, have evolved to have the morphological structure for fast water transport to compensate large water loss by leaf transpiration. In this study, we tried to deduce the advantageous structural features of plant leaves for practical applications. Inspired by the tissue organization of the hydraulic pathways in plant leaves, analogous double-layered porous models were fabricated using agarose hydrogel. Solute transport through the hydrogel models with different thickness ratios of the two layers was experimentally observed. In addition, numerical simulation and theoretical analysis were carried out with varying porosity and thickness ratio to investigate the effect of structural factors on mass transport ability. A simple parametric study was also conducted to examine unveiled relations between structural factors. As a result, the porosity and thickness ratio of the two layers are found to govern the mass transport ability in double-layered porous materials. The hydrogel models with widely dispersed pores at a fixed porosity, i.e., close to a homogeneously porous structure, are mostly turned out to exhibit fast mass transport. The present results would provide a new framework for fundamental design of various porous structures for effective mass transport. V C 2015 AIP Publishing LLC. [http://dx

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Mesophyll Architecture and Cell Exposure to Intercellular Air Space in Alpine, Desert, and Forest Species

Cited by 49 publications

References 52 publications

Leaf anatomy of two Anemia Sw. species (Schizaeaceae-Pteridophyte) from a rocky outcrop in Niterói, Rio de Janeiro, Brazil

Leaf anatomy of two Anemia Sw. species (Schizaeaceae-Pteridophyte) from a rocky outcrop in Niterói, Rio de Janeiro, Brazil

Stereology, an Unbiased Methodological Approach to Study Plant Anatomy and Cytology: Past, Present and Future

Structural design of a double-layered porous hydrogel for effective mass transport

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