JELS 9(1) 2019 with cover.pdf

Changes in water temperature in the maintenance medium will affect the physiological processes of fish. Changes in water temperature in the culture medium will affect the physiological processes of fish [5].

Figure 1. Cortisol Levels for 14 Days of Cultivation Stressed fish will increase the secretion of

Transoceanic Disperse of the White-lipped Island Pit Viper (Cryptelytrops insularis; Kramer,1997) from Sundaland to Lesser Sunda, Indonesia

Transoceanic distribution of the white-lipped island pit viper (Cryptelytrops insularis; Kramer, 1997) from Sundaland to Lesser Sunda, Indonesia. The Southeast Asian Gateway: History and Tectonics of the Australia-Asia Collision, Geological Society of London, Special Publication.

Figure 1. Bayesian phylogeny semi circular-tree based on 4 simultaneous genes (16S rRNA, ND4, 7IβFIB & 3ITBP)

Role of Active Compounds of Bohadschia argus Inhibit Cancer Cell Survival

Some of the natural compounds of sea cucumber trigger apoptotic pathways to inhibit cancer progression. Some of the active compounds interact directly with a protein associated with breast cancer and other compounds interact indirectly.

Table 1. Sea cucumber B. argus active compound induce apoptosis and cell cycle arrest in breast cancer cell

Anatomical Characters of Shoot Apical Meristem (SAM) on Bulbil Porang (Amorphophallus muelleri Blume) At the End of Dormancy Period

Slices in the tubercle region intend to obtain the anatomical nature of the shoot apical meristem (SAM) in the bulbil. The anatomical structure of the bulbil at 100 DAH has been observed the presence of SAM in the adaxial part (Fig. 2A). Based on these measurements, there has been an increase in the height and width of the SAM.

However, SAM development did not occur as in the adaxial part (Fig. 2B), only SAM candidates are observed around the adaxial. The anatomical structure of the abaxial part was also observed in the presence of intercellular spaces spread throughout the cell and the presence of ergastic substances. Based on the observations of the anatomical structure of the Porang bulbil at all ages, it shows that the meristematic cells are well differentiated and show a more mature phase in the adaxial part (Fig. A. D) compared to the abaxial part (Fig. E. the connection of the meristematic cells in the adaxial part is was a species arranged to form a layered pattern with a much smaller cell size.

Another factor that is also important in the development of SAM according to Ganjari [9]. caused by internal factors accumulation of auxin hormones. Based on Sorce's [15], potato tubers during dormancy greatly accumulated auxin hormones in the apical meristem and leaf primordia, which are characterized by a dark color. The existence of different anatomical features causes the growth of shoots to develop better in the adaxial part than in the abaxial part.

Figure 1. Cutting the bulbil Porang. (A: whole bulbil and its part, B: a part that will be sliced, C: slice in the tubercle area)

Antifeedant Effect of Moringa oleifera (L.) Leaf and Seed Extract on Growth and Feeding Activity of Spodoptera litura (Fab.) (Lepidoptera: Noctuidae)

Feeding effect of Moringa oleifera (L.) leaf and seed extract on growth and feeding activity of Spodoptera litura (Fab.) (Lepidoptera: Noctuidae). In the study [9,10], Moringa seeds were found to be larvicidal against Anopheles stephensi and Moringa flowers had a larvicidal effect on Aedes aegypti. Alkaloid inhibits the work of sucrose in the intestine in the digestive metabolism and affects the growth of larvae [16].

The treatment of Moringa leaf and seed extracts also affects the weight of larvae of S. The weight of each larval stage growth is decreased, which is higher in the Moringa seed extract treated diet. The activity in inhibiting eating of extracts of Moringa leaves and seeds is also shown by the results of the time to stop eating.

In stages 3, 4 and 5, treatment with moringa leaf and seed extract resulted in an increase in the percentage of time to stop feeding at 4, 8 and 12 hours after application (HAA). The extent of developmental time is due to disruptions in the development of insect hormones, namely brain hormone (BH), juvenile hormone (JH) and ecdysone hormone. The secondary metabolites in both extracts are toxic and the toxicity in the larvae also increases due to feeding activities, the larvae could not neutralize the toxins in the body.

Table 1. The total compound of phytochemical of M.

Effect of Place and Time Storage on the Quality of Tubers Amorphophallus muelleri Blume

When the tubers are injured, the parenchyma tissue in the tubers thickens the cell wall. The greatest damage to tubers occurred in areas that are in direct contact with the storage area due to less air circulation, such as on the floor and the ground. The variation in tuber rot during storage in the following weeks is usually greater.

However, the hardness of the tuber stored on the ground increased in W-12 and W-14 because the transpiration process reduces the water content in the tuber, causing the tubers to become harder. In the second week (W-2), the tubers stored on the ground, rack and floors began to rot and sprout. Sprouted tubers formed when the rotten area appeared in the partial side of the tuber.

Tuber rot can occur due to the natural conditions of the tuber, handling during growth and after harvest. Tuber water content fluctuated, but overall tuber moisture content decreased during storage (Figure 6). With tubers stored in soil, tuber rot may accelerate due to faster breakdown of cells into the soil.

Figure 1. Temperature (°C) and humidity (%) in storage time Observation on Physical Characteristics of

Molecular Identification and Genetic Characteristics of Genus Mystacoleucus Based on Gene Cytochrome Oxidase C Subunit I (COI)

The results of the genetic distance calculation are presented in the form of a data matrix that can be used to analyze the kinship relationships between species based on the phylogeny tree. The length of the Mystacoleucus COI gene sequence results from Sengguruh Dam sequencing using primers LCO1490 and HCO2198 is 683-686 bp (base pairs). Based on the results of the BLAST analysis, it can be concluded that the sample DNA sequences have a very high degree of similarity with the DNA sequences in GenBank.

Genetic distance and phylogenetic analysis Genetic distance of the COI gene fragment between Mystacoleucus spp. A phylogenetic reconstruction based on the COI gene using the Maximum Likelihood Trees method of the Kimura-2 parameter and a bootstrap value of 10000 is shown in Figure 1. The results of sequence identification of the genus Mystacoleucus in Sengguruh Dam by BLAST analysis.

The length of fragments from the amplification of the COI gene of the genus Mystacoleucus from the Sengguruh dam using primary LCO1490 and HCO2198 is 681-686 bp (base pairs), which shows that the test specimen belongs to the M. Catalog of type specimens in belonging. the ichthyological collection of the Academy of Natural Sciences of Philadelphia. The fishes of the Endau drainage, Peninsular Malaysia with descriptions of two new species of catfish.

Table 1. DNA sequense of Genus Mystacoleuscus from Genbank

Sensitivity and Stability Analysis of a SEIR Epidemic Model with Information

ISSN. 2338-1655

This information induced the behavioral change in the susceptible individual to protect himself from infection with the disease. The results of the stability analysis of the equilibrium point are illustrated through numerical simulations using several parameter values. The equilibrium point is stable if the real part of the characteristic roots is negative or equal to zero [8].

Numerical simulation begins with the determination of parameter values that correspond to the conditions of existence and stability requirements of the equilibrium point. Information reduction is affected by information degradation represented by 𝑎0. In this section, we investigate the local stability analysis of the nonlinear ordinary differential system.

The stability of the disease-free equilibrium point can be determined by substituting equilibrium point 𝐸1 into the Jacobian matrix of system (1) to obtain this. The stability of the endemic equilibrium point can be determined by replacing the equilibrium point 𝐸2 in the Jacobian matrix of system (1) as follows. The eigenvalue of 𝐽(𝐸2) is 𝜆1= −𝜇, and the other eigenvalues are roots of the following characteristic equation.

Figure 1. Schematic diagram of 𝑆𝐸𝐼𝑅𝑍 model The SEIRZ epidemic model consists of susceptible (𝑆), infected (𝐼), removed (𝑅), and information (𝑍) where the recovered individual will not get infected again

Phytoremediation of Lead-Contaminated Soil by Using Vetiver Grass (Vetiveria zizanioides L.)

Phytostabilization is a process by which plants minimize the mobility of heavy metals in contaminated soil. The World Bank also initiated several projects in India in the 1980s for the systematic development of Vetiver Grass Technology (VGT), now known as Vetiver System (VS) for watershed management, soil conservation and slope stabilization [14]. This research aims to analyze the effectiveness of Vetiver grass to reduce hyperaccumulating heavy metals such as lead (Pb) in the soil of Batu City.

At the same time, samples were taken of the vetiver grass after one week, five weeks and ten weeks. The effect of vetiver grass begins to show at the observation times when the heavy metal-induced soil has decreased Pb Cl after 2 weeks. We hypothesized that it shows the ability of vetiver grass to reach its maximum level to remedy the heavy metal.

Different concentrations of PbCl in vetiver were measured during the observation times. Similar to the concentration of PbCl in the soil, the PbCl in the vetiver grass for observation in the 10th week is at the same concentration, which means that the experimental results show that the ecotype vetiver has a high potential to absorb polluted heavy metals. in the ground.

Figure 1 shows that the difference in observation times influence or has different effects on the Pb Cl contain in the Soil

Protein Structure and Function Analysis Method of Aminoacyl-tRNA Synthetase Cofactor and Biotinylation Effect: Journal Review

As a consequence, the longer avidin loop causes a stronger occlusion of the occupied binding site [6]. An important concept of CD spectroscopy was that this is the result of the interaction of polarized light with chiral molecules since most biological molecules are chiral (Fig. 2). When slowed down by the addition of the putative target, it can be found that they interact with each other [12,16].

Arc1p is an accessory protein of the MARS complex, which also consists of two aaRS, GluRS and MetRS. As we know, Arc1p is an auxiliary protein of the MARS complex, which also consists of two aaRS, GluRS and MetRS [ 2 ]. In this review, we can see some methods that are commonly used in the study of the structure and function of a protein.

According to the above description, Arc1p is likely to remain one of the interesting research objects in the biomolecular field. Later, from the structure-function analysis results, we can deduce why Arc1p has very unique roles and characteristics. All forms of published corrections may also be peer-reviewed at the discretion of the editors.

Figure 1. Conserved sequences of avidin and streptavidin tyrosine-containing stretches [7]

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