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Grassland ecosystems in China: review of current knowledge and research advancement
TLDR
Major findings of scientific significance in China's grassland ecosystem research include: (i) improved knowledge on succession and biogeochemistry of the semi-arid and temperate grassland ecosystems, and (ii) development of effective management strategies for controlling rodent pests in grass land ecosystems.
The locust genome provides insight into swarm formation and long-distance flight
TLDR
A draft 6.5 Gb genome sequence of Locusta migratoria is presented, which is the largest animal genome sequenced so far, and complex regulatory mechanisms involved in microtubule dynamic-mediated synapse plasticity during phase change are revealed.
De Novo Analysis of Transcriptome Dynamics in the Migratory Locust during the Development of Phase Traits
TLDR
The locust transcriptome enriches genetic resources for hemimetabolous insects and the authors' understanding of the origin of insect metamorphosis, and identified genes and pathways that might be involved in locust development and phase change, and may thus benefit pest management.
The analysis of large-scale gene expression correlated to the phase changes of the migratory locust.
TLDR
Comprehensive assessment of the phase-related expression revealed that, whereas most of the genes in various categories from hind legs and the midgut are down-regulated in the gregarious phase, several gene classes in the head are impressively up-regulated, including those with peptidase, receptor, and oxygen-binding activities and those related to development, cell growth, and responses to external stimuli.
Characterization and comparative profiling of the small RNA transcriptomes in two phases of locust
TLDR
The abundance of smallRNAs in the locust might indicate a long evolutionary history of post-transcriptional gene expression regulation, and differential expression of small RNAs between the two phases might further disclose the molecular mechanism of phase changes.
The complete mitochondrial genomes of two band-winged grasshoppers, Gastrimargus marmoratus and Oedaleus asiaticus
TLDR
Characterization of the two mitochondrial genomes has enriched knowledge on mitochondrial genomes of Orthoptera and confirmed that the species from the suborder Caelifera form a monophyletic group, as is the case for the Ensifera.
Cloning and interspecific altered expression of heat shock protein genes in two leafminer species in response to thermal stress
TLDR
These studies confirmed that L. huidobrensis is more cold tolerant than L. sativae, and suggest that the Ton (or Tmax) of hsps can represent the differences in temperature tolerance of these two leafminer species, and may be used to determine their natural geographical distribution limits.
Heavy Livestock Grazing Promotes Locust Outbreaks by Lowering Plant Nitrogen Content
TLDR
It is suggested that heavy livestock grazing and consequent steppe degradation in the Eurasian grassland promote outbreaks of this locust by reducing plant protein content.
A k-mer scheme to predict piRNAs and characterize locust piRNAs
TLDR
The novel ‘dynamic’ algorithm developed can be used to identify piRNAs of non-model organisms without complete genome sequences with a precision of over 90% and a sensitivity of over 60%, and is verified by 5-fold cross-validation in these species.
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