Characterization of MRF genes and their tissue distributions and analysis of the effects of starvation and refeeding on the expression of these genes in Acipenser dabryanus muscle.

The purpose of the study was to clone the sequences of myogenic regulatory factors in Acipenser dabryanus and explore the changes in their expression during starvation and refeeding in A. dabryanus muscle. One hundred twenty fish (60.

[Association of fatty acid composition in human milk with breast milk jaundice in neonates].

Objective: To study the association of fatty acid composition in human milk with breast milk jaundice (BMJ) in neonates.

Methods: A total of 30 full-term neonates who were admitted to the neonatal intensive care unit from October 2016 to October 2017 and were diagnosed with late-onset BMJ were enrolled as the BMJ group. Thirty healthy neonates without jaundice or pathological jaundice who were admitted to the confinement center during the same period of time were enrolled as the control group.

[Mechanism of thymol inhibiting : PAO-HO system].

Gray mold disease caused by infection is one of the major crop diseases. The application of environmental-friendly fungicides to control gray mold disease has been drawing great attention. Thymol, a natural compound, showed strong antifungal activity against .

[Implantation strategy of tissue-engineered liver based on decellularized spleen matrix in rats].

Objective: To explore the optimal implantation strategy of tissue-engineered liver (TEL) constructed based on decellularized spleen matrix (DSM) in rats.

Methods: DSM was prepared by freeze-thawing and perfusion with sodium dodecyl sulfate (SDS) of the spleen of healthy SD rats. Primary rat hepatocytes isolated using modified Seglen 2-step perfusion method were implanted into the DSM to construct the TEL.

The endogenous nitric oxide mediates selenium-induced phytotoxicity by promoting ROS generation in Brassica rapa.

Selenium (Se) is suggested as an emerging pollutant in agricultural environment because of the increasing anthropogenic release of Se, which in turn results in phytotoxicity. The most common consequence of Se-induced toxicity in plants is oxidative injury, but how Se induces reactive oxygen species (ROS) burst remains unclear. In this work, histofluorescent staining was applied to monitor the dynamics of ROS and nitric oxide (NO) in the root of Brassica rapa under Se(IV) stress.

Selenium inhibits root elongation by repressing the generation of endogenous hydrogen sulfide in Brassica rapa.

Selenium (Se) has been becoming an emerging pollutant causing severe phytotoxicity, which the biochemical mechanism is rarely known. Although hydrogen sulfide (H2S) has been suggested as an important exogenous regulator modulating plant physiological adaptions in response to heavy metal stress, whether and how the endogenous H2S regulates Se-induce phytotoxicity remains unclear. In this work, a self-developed specific fluorescent probe (WSP-1) was applied to track endogenous H2S in situ in the roots of Brassica rapa under Se(IV) stress.

[Effects of NaCl stress on polyamines metabolism in vegetable soybean].

By adopting vermiculite culture, this paper studied the malondialdehyde (MDA) content and polyamines (PAs) metabolism in the seeds of two vegetable soybean cultivars with different salt tolerance under the stress of 100 mmol NaCl x L(-1). NaCl stress increased the MDA contents in the seeds of the two cultivars significantly, but the increment was lower for salt-resistant cultivar 'Lülingtezao' (LL) than for salt-sensitive cultivar 'Lixianggaochan 95-1' (LX). In the whole period of NaCl stress, LL seeds had higher contents of free spermine (Spm), conjugated Spm, conjugated spermidine (Spd), bound Spd and bound putrescine (Put), higher values of (Spd+Spm)/Put and (cPAs+bPAs)/fPAs, and lower value of Put/PAs, and had higher content of free Spd in the mid and late period (9-15 d) of NaCl stress, as compared with LX seeds.

[Effects of NaCl stress on polyamine contents in grafted cucumber leaves].

With a Japanese salt-tolerant pumpkin cultivar 'King Shintosa' (Cucurbita maxima x C. moschata) as rootstock and a cucumber (Cucumis sativus) cultivar 'Xintaimici' as cion, this paper studied the temporal dynamics of different form polyamines contents in the leaves of grafted and own-rooted cucumber plants under 100 mmol x L(-1) NaCl stress. The results showed that the free putrescence (Put) content of graftedplant leaves (G2) was significantly higher than that of own-rooted plant leaves (O2), except on the second day of NaCl stress.

[Effects of NaCl stress on the growth, antioxidant enzyme activities and reactive oxygen metabolism of grafted eggplant].

By the method of hydroponics and with the salt-tolerant eggplant cultivar 'Torvum Vigor' (Solanum torvum) from Japan as rootstock and the cultivar 'Suqiqie' (Solanum melongena L. ) as scion, this paper studied the differences between grafted and own-root seedlings in their photosynthetic characteristics, antioxidant enzyme activities, and reactive oxygen metabolism under 80 mmol x L(-1) NaCl stress. The results showed that under NaCl stress, the dry mass, chlorophyll content and photosynthetic rate of grafted seedlings were 67.