Results 41 to 50 of about 487,497 (306)

Tau acetylation at K331 has limited impact on tau pathology in vivo

open access: yesFEBS Letters, EarlyView.
We mapped tau post‐translational modifications in humanized MAPT knock‐in mice and in amyloid‐bearing double knock‐in mice. Acetylation within the repeat domain, particularly around K331, showed modest increases under amyloid pathology. To test functional relevance, we generated MAPTK331Q knock‐in mice.
Shoko Hashimoto   +3 more
wiley   +1 more source

Calpain small subunit homodimerization is robust and calcium‐independent

open access: yesFEBS Letters, EarlyView.
Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy   +4 more
wiley   +1 more source

Changes of Root Length and Root-to-Crown Ratio after Apical Surgery: An Analysis by Using Cone-beam Computed Tomography

open access: yes, 2015
INTRODUCTION Apical surgery is an important treatment option for teeth with post-treatment periodontitis. Although apical surgery involves root-end resection, no morphometric data are yet available about root-end resection and its impact on the root ...
Bornstein, Michael   +4 more
core   +1 more source

Role of root and yield characters under drought stress in rice (Oryza sativa L.) [PDF]

open access: yesElectronic Journal of Plant Breeding, 2014
Drought is the major constraint to rice production and yield stability in rainfed areas. Association analysis was performed in F1 generation of rice in order to understand the nature and extent of association among various traits and grain yield under ...
V. Karpagam, S. Jebaraj, S. Rajeswari and C. Vanniarajan
doaj  

Low-P solution culture can be used for screening root growth vigor in soil for high nutrient uptake of spring wheat varieties

open access: yesActa Agriculturae Scandinavica. Section B, Soil and Plant Science, 2018
Purpose: Root and root hairs of plants have been intensively studied in solution culture; however, correlation of such measurements in solution culture with development in soil is poorly understood.
Yaosheng Wang   +2 more
doaj   +1 more source

Morphological Features of Plants on Ash Settling Ponds. Case Study

open access: yesPlants, 2021
Owing to variable water conditions, chemical conditions of water or ash substrate, ash settling ponds belong to anthropogenic objects which do not easily undergo plant succession.
Renata Gamrat   +2 more
doaj   +1 more source

Repeated-root constacyclic codes of length 4ℓp

open access: yesFinite Fields and Their Applications, 2016
Constacyclic codes form a well-known class of linear codes, and are generalizations of cyclic and negacyclic codes. In this paper, we determine generator polynomials of all constacyclic codes of length 4 ź m p n over the finite field F q with q elements, where p , ź are distinct odd primes, q is a power of p and m , n are positive integers.
Anuradha Sharma, Saroj Rani
openaire   +1 more source

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

Root developmental responses to heterogeneous water and nitrogen supply [PDF]

open access: yes, 2012
Better understanding of the interaction between the soil physical properties determining water and nitrate availability and the root proliferation and gene expression components of nutrient acquisition could contribute to food security, but may have been
Chapman, N., CHAPMAN, NICHOLAS
core  

Genetic Gain and Heritability of Seedling Characters Selected at a Low Temperature in Pearl Millet (Pennisetum typhoideum Rich.)

open access: yesPlant Production Science, 1998
One cycle of selection was applied for studying genetic gain and heritability of seedling characters such as shoot length and root length at a low temperature in two genetic populations.
Totok Agung Dwi Haryanto   +2 more
doaj   +1 more source

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