Investigating water transport through the xylem network in vascular plants

Kim, Hae Koo; Park, Joonghyuk; Hwang, Ildoo

doi:10.1093/jxb/eru075

Cited by 95 publications

(77 citation statements)

References 114 publications

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“…8, D-F). Vascular bundles and conduits are necessary for water transport (Kim et al, 2014). Moreover, the water potential values were all higher in es1-1 than in the wild type in various tissues, including roots, stems, leaves, and sheath, which indicated that the ability to transport water was stronger in es1-1 than in the wild type ( Fig.…”

Section: Es1 Affects the Density Of Leaf Stomata In Ricementioning

confidence: 90%

“…This, in turn, accelerates water circulation in the plant, thus leading to predicted in situ enrichment of metal ions cotransported with water (Kim et al, 2014). To test this hypothesis in this mutant, we determined the mineral concentrations of different tissues of es1-1 and wild-type plants at the mature stage.…”

Section: Es1 Affects the Density Of Leaf Stomata In Ricementioning

confidence: 99%

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EARLY SENESCENCE1 Encodes a SCAR-LIKE PROTEIN2 That Affects Water Loss in Rice

Rao

Yang²,

Xu³

et al. 2015

Plant Physiol.

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. In plants, excessive water loss causes drought stress and induces early senescence. In this study, we isolated a rice (Oryza sativa) mutant, designated as early senescence1 (es1), which exhibits early leaf senescence. The es1-1 leaves undergo water loss at the seedling stage (as reflected by whitening of the leaf margin and wilting) and display early senescence at the three-leaf stage. We used map-based cloning to identify ES1, which encodes a SCAR-LIKE PROTEIN2, a component of the suppressor of cAMP receptor/Wiskott-Aldrich syndrome protein family verprolin-homologous complex involved in actin polymerization and function. The es1-1 mutants exhibited significantly higher stomatal density. This resulted in excessive water loss and accelerated water flow in es1-1, also enhancing the water absorption capacity of the roots and the water transport capacity of the stems as well as promoting the in vivo enrichment of metal ions cotransported with water. The expression of ES1 is higher in the leaves and leaf sheaths than in other tissues, consistent with its role in controlling water loss from leaves. GREEN FLUORESCENT PROTEIN-ES1 fusion proteins were ubiquitously distributed in the cytoplasm of plant cells. Collectively, our data suggest that ES1 is important for regulating water loss in rice.

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Section: Es1 Affects the Density Of Leaf Stomata In Ricementioning

confidence: 90%

Section: Es1 Affects the Density Of Leaf Stomata In Ricementioning

confidence: 99%

EARLY SENESCENCE1 Encodes a SCAR-LIKE PROTEIN2 That Affects Water Loss in Rice

Rao

Yang²,

Xu³

et al. 2015

Plant Physiol.

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“…For the dry period from 2 June to 24 June soil moisture changes above the ZFP were balanced according to Equation (1). Although the ZFP was located within the root zone it can be assumed that soil moisture changes below the ZFP were mainly due to the downward movement of water and only to a minor extent because of root water extraction.…”

Section: Diurnal Cycle Of Transpiration Estimated Using Granier's Orimentioning

confidence: 99%

“…Such estimates are usually obtained by measuring the speed of xylem sap movement through the stem using heat sensors. Three different systems of heat sensors are commonly used [1]: (i) heat pulse velocity sensors; (ii) heat field deformation sensors; and (iii) thermal dissipation sensors. Vandegehuchte and Steppe [2] discussed the working principles and applicability of these sensors in detail, which we will not include in this work.…”

Section: Introductionmentioning

confidence: 99%

Improved Water Consumption Estimates of Black Locust Plantations in China’s Loess Plateau

Schwärzel

Zhang

Strecker

et al. 2018

Forests

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Black locust (Robinia pseudoacacia L.) is a major tree species in China's large-scale afforestation. Despite its significance, black locust is underrepresented in sap flow literature; moreover, the published water consumption data might be biased. We applied two field methods to estimate water consumption of black locust during the growing seasons in 2012 and 2013. The application of Granier's original sap flow method produced a very low transpiration rate (0.08 mm d −1 ) while the soil water balance method yielded a much higher rate (1.4 mm d −1 ). A dye experiment to determine the active sapwood area showed that only the outermost annual ring is responsible for conducting water, which was not considered in many previous studies. Moreover, an in situ calibration experiment was conducted to improve the reliability of Granier's method. Validation showed a good agreement in estimates of the transpiration rate between the different methods. It is known from many studies that black locust plantations contribute to the significant decline of discharge in the Yellow River basin. Our estimate of tree transpiration at stand scale confirms these results. This study provides a basis for and advances the argument for the development of more sustainable forest management strategies, which better balance forest-related ecosystem services such as soil conservation and water supply.

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“…12C). Since vessel diameter is positively correlated with the volume of water transported and inversely correlated with the safety (lower risk of cavitation) of the conductive system (Carlquist, 1980;Vaselatti et al, 2001;Kim et al, 2014) it seems that this species did not show plasticity to change vessel diameter probably associated with lower hydraulic security in comparison to waterlogged plants. It is also important to highlight that values of wholeplant hydraulic conductance (K T ) were similar to those of droughted plants (Fig.…”

Section: Chapter 1)mentioning

confidence: 99%

Papel do metabolismo de carboidratos nas respostas ecofisiológicas da árvore amazônica Senna reticulata cultivada sob diferentes estresses abióticos

Arenque-Musa¹

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A Deus por me conceder a graça do aprendizado e da evolução espiritual por meio de oportunidades e pessoas tão incríveis ao meu redor.Ao Dr. Marcos S. Buckeridge pela orientação e oportunidades nesses sete anos de trabalho em conjunto me permitindo aprimorar qualidades que vão muito além da ciência. Obrigada chefe.Ao meu amado pai por ser meu exemplo de conduta, por seus abraços reconfortantes e por suas sábias palavras. A minha querida mãe que é meu exemplo de determinação e amor infinito.Aos meus amados irmão e irmã pelo companheirismo e conselhos divinos. A minha nona que me ensinou na prática o que é dedicação, desapego e amor incondicional.Ao meu amado filho por ser a razão e o objetivo de tudo, por não me deixar esquecer que o cansaço é relativo quando temos tarefas divinas a cumprir e por fazer dos meus dias uma brincadeira infinita e maravilhosa. Te amo jacaré.Ao amor da minha vida e meu marido Fernando Musa que junto com o sobrenome da "banana" , inunda meus dias e meu coração com seu sorriso lindo e seu exemplo de caráter, dedicação e amor.A toda minha nova e maravilhosa família MUSA  Aos meus dois braços e coração durante o desenvolvimento desta tese: minha irmã Adriana Grandis obrigada por tanto amor, força, compreensão e por me ensinar tanto todos os dias.A minha querida amiga Amanda P. De Souza pelo conforto de seu amor e abraços incríveis que me puxaram pra cima quando pensei não mais ser capaz.Ao professor Dr. Erik Veneklaas (UWA) por sua supervisão, amizade incrível e por sua paixão pela ecofisiologia de plantas que tanto me inspira.Ao Dr. Rafael Oliveira UNICAMP por todas as sugestões "alto nível" e pelo seu exemplo de profissionalismo e amor por seu trabalho. VIII Ao professor Dr. Ronan Sulpice (Nui Galway -Irlanda) por sua supervisão, gentileza e entusiasmo. ........................................................................................................................ 79 References .......................................................................................................................... 80 CONSIDERAÇÕES FINAIS ..................................................................................................... 86 REFERENCIAS BIBLIOGRÁFICAS ...................................................................................... Senna reticulata (Leguminosae), a mesma foi cultivada sob diferentes estresses abióticos, como luz baixa combinada com elevada concentração de CO 2 atmosférico, bem como disponibilidade hídricas distintas (alagamento das raízes e seca). Os resultados encontrados reforçam o papel do amido nas folhas como principal órgão armazenador desta espécie e também a alta resiliência desta reserva, que foi mantida mesmo em condições de baixa irradiância, em alagamento e em condições de seca. Estes resultados também destacam a forte ligação entre as reservas de amido e a manutenção do crescimento. Além disso, esta espécie mostrou estratégias ecofisiológicas distintas em relação a diferentes estresses hídricos (alagamento x seca) e uma alta capacidad...

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Investigating water transport through the xylem network in vascular plants

Cited by 95 publications

References 114 publications

EARLY SENESCENCE1 Encodes a SCAR-LIKE PROTEIN2 That Affects Water Loss in Rice

EARLY SENESCENCE1 Encodes a SCAR-LIKE PROTEIN2 That Affects Water Loss in Rice

Improved Water Consumption Estimates of Black Locust Plantations in China’s Loess Plateau

Papel do metabolismo de carboidratos nas respostas ecofisiológicas da árvore amazônica Senna reticulata cultivada sob diferentes estresses abióticos

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