Boron in plant cell walls

Matoh, Tōru

doi:10.1007/978-94-011-5580-9_5

Cited by 95 publications

(114 citation statements)

References 54 publications

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“…Boron cross-linking with the pectic polysaccharide, rhamnogalacturonan II (RG-II), plays a crucial role for stabilizing primary cell walls (Matoh, 1997;Brown et al, 2002b;Goldbach et al, 2002). The role of B in cell wall structure is the cause of the positive correlation between internal B requirements of different plant species and the amount of pectin (as a percentage of cell walls) (Hu et al, 1996).…”

Section: Photo-oxidation and Chilling-tolerancementioning

confidence: 99%

“…Murata and Nishiyama, 1998;Melis, 1999;Kratsch and Wise, 2000;Allen and Ort, 2001;Browse and Xin, 2001). Comparatively recent research findings have also greatly improved our understanding of B uptake and transport processes (Brown and Shelp, 1997;Hu and Brown, 1997;Blevins and Lukaszewski, 1998;Brown et al, 2002a;Frömmer and von Wiren, 2002;Takano et al, 2002) and B roles in cell wall formation, cellular membrane functions and anti-oxidation defence systems (Cakmak and Römheld, 1997;Matoh, 1997;Goldbach et al, 2002). However, much remains to be understood about how B nutrition modulates plant chilling tolerance and how chilling tolerance affects plant responses to low/deficient B supply, particularly at the cellular level.…”

Section: Introductionmentioning

confidence: 98%

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Boron Nutrition and Chilling Tolerance of Warm Climate Crop Species

Huang¹,

Ye²,

Bell³

et al. 2005

Annals of Botany

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Background Field observations and glasshouse studies have suggested links between boron (B)-deficiency and leaf damage induced by low temperature in crop plants, but causal relationships between these two stresses at physiological, biochemical and molecular levels have yet to be explored. Limited evidence at the whole-plant level suggests that chilling temperature in the root zone restricts B uptake capacity and/or B distribution/utilization efficiency in the shoot, but the nature of this interaction depends on chilling tolerance of species concerned, the mode of low temperature treatment (abrupt versus gradual temperature decline) and growth conditions (e.g. photon flux density and relative humidity) that may exacerbate chilling stress.Scope This review explores roles of B nutrition in chilling tolerance of continual root or transient shoot chills in crop species adapted to warm season conditions. It reviews current research on combined effects of chilling temperature (ranging from >0 to 20 C) and B deficiency on growth and B nutrition responses in crop species differing in chilling tolerance.Conclusion For subtropical/tropical species (e.g. cucumber, cassava, sunflower), root chilling at 10-17 C decreases B uptake efficiency and B utilization in the shoot and increases the shoot : root ratio, but chilling-tolerant temperate species (e.g. oilseed rape, wheat) require much lower root chill temperatures (2-5 C) to achieve the same responses. Boron deficiency exacerbates chilling injuries in leaf tissues, particularly under high photon flux density. Suggested mechanisms for B · chilling interactions in plants are: (a) chilling-induced reduction in plasmalemma hydraulic conductivity, membrane fluidity, water channel activity and root pressure, which contribute to the decrease in root hydraulic conductance, water uptake and associated B uptake; (b) chilling-induced stomatal dysfunction affecting B transport from root to shoot and B partitioning in the shoot; and (c) B deficiency induced sensitivity to photo-oxidative damage in leaf cells. However, specific evidence for each of the mechanisms is still lacking. Impacts of B status on chilling tolerance in crop species have important implications for the management of B supply during sensitive stages of growth, such as early growth after planting and early reproductive development, both of which can coincide with the occurrence of chilling temperatures in the field.

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Section: Photo-oxidation and Chilling-tolerancementioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Boron Nutrition and Chilling Tolerance of Warm Climate Crop Species

Huang¹,

Ye²,

Bell³

et al. 2005

Annals of Botany

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“…It plays important roles in stability of cell walls (Matoh 1997) and cellular activities (Cakmak and Rö mheld 1997). Boron deficiency in plants may restrain root elongation through limiting cell enlargement and cell division in the growing zone of root tips, and possibly impede leaf expansion due to the decrease of the photosynthetic capacity (Dell and Huang 1997).…”

Section: Introductionmentioning

confidence: 99%

“…The B concentration in cytoplasm could show the capability of B utilization (Du et al 2002). Because the normal cell wall can not form without B (Matoh 1997) and new cell wall is formed in cytoplasm, B must travel into cytoplasm as a material to synthesize cell wall (Du et al 2002). Boron in the cytoplasm could be also involved in a variety of metabolic activities (Pfeffer et al 2001).…”

mentioning

confidence: 99%

“…However, the results in the present study were not consistent with this (Table 3). Boron was not only involved in the synthesis of the cell wall (Matoh 1997), but also involved in lots of physiology metabolism (Dannel et al 2002;Han et al 2009). Species, plant organ and B supply could influence the proportion of B in the cell wall of higher plants (Goldbach et al 2000;Dannel et al 2002).…”

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confidence: 99%

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Distribution of boron and its forms in young “Newhall” navel orange (Citrus sinensisOsb.) plants grafted on two rootstocks in response to deficient and excessive boron

Liu

Jiang

Wang

2011

Soil Science and Plant Nutrition

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Boron (B) deficiency is widespread and serious in navel orange orchards in southern Jiangxi in China and has been considered an important soil constraint to citrus yield and quality. It has been observed that there was great variation in responses to different B supply levels between ''Newhall'' navel orange grafted on citrange and trifoliate orange. The aim of this work was to compare the different responses of the two scion-rootstock combinations under different B stresses (low and high) in young citrus trees. ''Newhall'' navel orange grafted on citrange or trifoliate orange were incubated in nutrient solution containing different levels of B (0, 0.5 and 5.0 mg L À1 ), of which 0 and 5.0 mg L À1 were considered as deficient and excessive B and 0.5 mg L À1 was considered as an appropriate level of B. The experiment was carried out in a greenhouse for 117 days. The results showed that, under low B or high B conditions, better growth performance was observed in ''Newhall'' plants grafted on citrange than in those grafted on trifoliate orange, suggesting that citrangegrafted plants were more tolerant to deficient and excessive B than the plants grafted on trifoliate orange. Boron seemed to be preferentially translocated to the new leaves (leaves from current year), and resulted in normal growth of young leaves under limited B supply. Boron distribution in different plant parts indicated that there was a restriction in translocation of B from roots to scion tissues (stems and leaves of scion) under limited B availability. The relatively high B concentration observed in plants grafted on trifoliate orange suggested higher demand for B than those grafted on citrange. There existed a balance within the B forms to maintain normal growth. Thus, R value (R ¼ semi-bound B/free B) was much higher in citrange-grafted plants than in trifoliate orange-grafted plants under the same B supply level. This explained why citrange-grafted plants had less B but produced relatively more dry mass at cellular level. These results suggested that the utilization efficiency of B of citrange-grafted plants was probably greater than trifoliate orange-grafted plants.

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Boron

Nielsen¹

2004

Elements and Their Compounds in the Environment

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Boron in plant cell walls

Cited by 95 publications

References 54 publications

Boron Nutrition and Chilling Tolerance of Warm Climate Crop Species

Boron Nutrition and Chilling Tolerance of Warm Climate Crop Species

Distribution of boron and its forms in young “Newhall” navel orange (Citrus sinensisOsb.) plants grafted on two rootstocks in response to deficient and excessive boron

Boron

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