The Involvement of Molybdenum in Life

Williams, R. J. P.; Silva, João J. R. Fraústo da

doi:10.1006/bbrc.2002.6518

Cited by 152 publications

(76 citation statements)

References 14 publications

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“…Mo has to be bounded to a pterin in order to form a Mo co-factor (Mo-co) (Mendel & Bittner 2006). Mo is not biologically active but it forms a part of an organic complex called the Mo-co. Mo-co is very important for the Mo-requiring enzymes (molybdoenzymes) that have been reported in most biological systems (Williams & Frausto da Silva 2002) and all Mo-dependent enzymes (molybdoenzymes) hold a mononuclear element of Mo-co, which consists of Mo coordinated to an organic tricyclic pyranopterin moiety, referred to as molybdopterin. Mo-co in different variants represents the active compound at the catalytic site of all Mocontaining enzymes in nature (except nitrogenase), that is several enzymes catalyzing divers keys oxotransfer reactions in the global carbon, sulfur and nitrogen metabolism (Mendel & Bittner 2006).…”

Section: The Effect Of Phytohormones On Plant Cold Tolerancementioning

confidence: 99%

Advances in physiological and molecular aspects of plant cold tolerance

Rihan

Al-Issawi

Fuller

2017

Journal of Plant Interactions

115

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Section: The Effect Of Phytohormones On Plant Cold Tolerancementioning

confidence: 99%

Advances in physiological and molecular aspects of plant cold tolerance

Rihan

Al-Issawi

Fuller

2017

Journal of Plant Interactions

115

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“…Molybdenum utilization in organisms may have developed in tandem with increasing Mo availability following the early stages of biospheric oxygenation, at which point it became critical to nitrogen fixation (Williams and Frausto da Silva, 2002;2004;Zerkle et al, 2005;Boyd et al, 2011); although Zerkle et al (2006) and Glass et al (2009) have both shown that very low Mo concentrations are capable of supporting near modern levels of nitrogen fixation. Similarly, based on eukaryotic cellular requirements, geochemical modeling, and the late emergence of eukaryotic Zn metalloenzymes, it was believed that Zn concentrations in the early oceans would have been a possible barrier to eukaryotic evolution (Williams and Fruasto da Silva 2002;Saito et al, 2003;Dupont et al, 2006;2010;Williams and Rickaby, 2012).…”

Section: Accepted M Manuscriptmentioning

confidence: 99%

Trace elements at the intersection of marine biological and geochemical evolution

Robbins

Lalonde

Planavsky

et al. 2016

Earth-Science Reviews

169

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Life requires a wide variety of bioessential trace elements to act as structural components and reactive centers in metalloenzymes. These requirements differ between organisms and have evolved over geological time, likely guided in some part by environmental conditions. Until recently, most of what was understood regarding trace element concentrations in the Precambrian oceans was inferred by extrapolation, geochemical modeling, and/or genomic studies. However, in the past decade, the increasing availability of trace element and isotopic data for sedimentary rocks of all ages have yielded new, and potentially more direct, insights into secular changes in seawater composition -and ultimately the evolution of the marine biosphere. Compiled records of many bioessential trace elements (including Ni, Mo, P, Zn, Co, Cr, Se, and I) provide new insight into how trace element abundance in Earth's ancient oceans may have been linked to biological evolution. Several of these trace elements display redox-sensitive behavior, while others are redox-sensitive but not bioessential (e.g., Cr, U). Their temporal trends in sedimentary archives provide useful constraints on changes in atmosphere-ocean redox conditions that are linked to biological evolution, for example, the activity of oxygen-producing, photosynthetic cyanobacteria. In this review, we summarize available Precambrian trace element proxy data, and discuss how temporal trends in the seawater concentrations of specific trace elements may be linked to the evolution of both simple and complex life. We also examine several biologically relevant and/or redox-sensitive trace elements that have yet to be fully examined in the A C C E P T E D M A N U S C R I P T ACCEPTED MANUSCRIPT3 sedimentary rock record (e.g., Cu, Cd, W) and suggest several directions for future studies.

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“…On the other hand reduction in total protein content has been offset by foliar application of Fe+Mo combination. Various studies have been proven the role of molybdenum in biological nitrogen fixation and plant nitrogen metabolism (Mendel & Haensch, 2002;Williams & Frausto da Silva, 2002). Furthermore, molybdenum increased the nitrogenase activity and fix higher nitrogen by forming larger root nodules (Parker & Harris, 1977;Adams, 1997;Vieira et al, 1998).…”

Section: Protein Yieldmentioning

confidence: 99%

Response of soybean (Glycine max) to molybdenum and iron spray under well-watered and water deficit conditions

Heidarzade¹,

Esmaeili²,

Bahmanyar³

et al. 2016

JEBAS

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KEYWORDS Micronutrient SoybeanWater deficit stress Yield parameters ABSTRACTEffects of foliar application of molybdenum and iron either individually or in combination on the yield properties of soybean crop were investigated under water deficit condition at research farm of Sari Agricultural Sciences and Natural Resources University, Sari, Iran during the cropping season of 2014. This experiment was laid out in factorial arrangement based on completely randomized block design with three replications. The two irrigation regimes were used (Irrigation after 65 and 130 mm evaporation from Class A pan) as primary factors while spray application of micronutrient (water as control Fe, Mo and Fe + Mo) were considered as the secondary factors. Result of study revealed that drought stress and micronutrient sprays have effect on all studied parameters such as pod number, seed number, yield and weight of 1000 seeds. Also, the interactions were statistically significant among studied parameters. According to the results drought stress severely impressed the number of pods, total seed numbers, seed yield, seed protein and seed oil. Furthermore, using of micronutrients spray particularly Fe+Mo on soybean crop is environmentally acceptable strategy and reduced the damages caused by water deficit condition.

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The Involvement of Molybdenum in Life

Cited by 152 publications

References 14 publications

Advances in physiological and molecular aspects of plant cold tolerance

Advances in physiological and molecular aspects of plant cold tolerance

Trace elements at the intersection of marine biological and geochemical evolution

Response of soybean (Glycine max) to molybdenum and iron spray under well-watered and water deficit conditions

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