pathogens

Kresoxim-methyl is a strobilurin fungicide,inhibits conidial germination of V. inaequalis isolates from apple orchards .

5,6-Dihydroxyindole (Dopamine lutine) is a melanin precursor and has a broad-spectrum antibacterial, antiviral, antifungal, antiparasitic activity. It has cytotoxic effects and is strongly toxic against various pathogens.

1. Linalool (Linalol), a natural compound of the essential oils, has been shown to have antinociceptive, antimicrobial, and anti-inflammatory properties. 2. Linalool was protected against LPS GalN-induced liver injury through induction of antioxidant defense via Nrf2 activating and reduction inflammatory response via NF-κB inhibition. 3. Linalool biosynthesis and accumulation might be involved in plant defense against bacterial and fungal pathogens and be associated with field resistance to citrus canker. 4. Linalool significantly increased the expression of antioxidant enzymes regulated by Nrf-2 and diminished lung tissue levels of several pro-inflammatory cytokines, including tumor necrosis factor α (TNF-α) and interleukin (IL)-6.

Methyl 4-hydroxycinnamate is an esterified derivative of p-coumaric acid isolated from the flowers of Trixis michuacana var. longifolia, exhibiting antibacterial and anti-melanogenesis properties.

Spiramycin (Rovamycin) is a macrolide antibiotic produced by Streptomyces ambofaciens, effective against gram-positive aerobic pathogens, N. gonorrhoeae, and staphylococci, and is used to treat infections caused by bacteria and Toxoplasma gondii.

Bakuchiol possesses anti-tumor,and anti-helmenthic properties. It has cytotoxic activity, mainly due to its DNA polymerase1 inhibiting activity. Bakuchiol has anti-bacterial activity against oral pathogens, has great potential for use in food additives and mouthwash for preventing and treating dental caries.

1. Kuwanon G (Moracenin B) as dual inhibitors of PTP1B and α-glucosidase enzymes, as well as insulin sensitizers, it may potentially be utilized as an effective treatment for Type II diabetes mellitus. 2. Kuwanon G has anti-inflammatory activity, it can attenuate atherosclerosis through inhibiting foam cell formation and inflammatory response. 3. Kuwanon G is a potent inhibitor of Mycobacterium tuberculosis protein tyrosine phosphatase B. 4. Kuwanon G shows acetylcholinesterase (AChE) and butyrylcholinesterase(BChE) inhibitory activities, it may be a promising candidate for preventive and therapeutic agents for Alzheimer's disease. 5. Kuwanon G prevents the pathological progression of allergic asthma through the inhibition of lung destruction by inflammation and immune stimulation. 6. Kuwanon G has antibacterial activity against oral pathogens. 7. Kuwanon G is a specific antagonist for the GRP-preferring receptor and can be useful for studying the physiological and pathological role of GRP.

Melianone exhibits antiviral activity (EC50s: 3-11μM) against three important human pathogens, belonging to the Flaviviridae family, West Nile virus, Dengue virus, and Yellow Fever virus.

Juvabione is the methyl ester of todomatuic acid, both of which are sesquiterpenes (C15) found in the wood of true firs of the genus Abies. They exist as part of a mixture of sesquiterpenes based on the bisabolane scaffold. Sesquiterpenes of this family,

(±)9-HpODE is a racemic mixture of the fatty acid hydroperoxide product (9(S)-HpODE) formed from lipoxygenase action on linoleic acid. It shows antimicrobial activity against various fungal and bacterial pathogens and thus may play a role in plant defense. In mammalian species, monocyte-induced oxidization of LDL generates significant amounts of esterified 9-HpODE, which is rapidly reduced to 9-HODE.

Magainin 2, a cationic peptide derived from the African clawed frog (X. laevis) skin, exhibits host defense and antimicrobial properties. This compound effectively inhibits a range of pathogens, including E. coli, K. pneumoniae, S. epidermidis, S. aureus bacteria, and C. albicans fungus, with minimum inhibitory concentrations (MICs) of 5, 10, 10, 50, and 80 µg/ml, respectively. Additionally, at a concentration of 20 µM, Magainin 2 significantly reduces the germination and tube elongation in kiwi fruit pollen. It also curtails viral replication in Vero cells infected by herpes simplex virus 1 (HSV-1) or HSV-2, with half-maximal effective concentrations (EC50s) of 22.16 and 19.8 µM, respectively, while demonstrating low toxicity to these cells, shown by a 50% cytotoxic concentration (CC50) greater than 100 µM.

Difficidin, an antibiotic produced by Bacillus velezensis, exhibits broad-spectrum antimicrobial activity by inhibiting protein biosynthesis. It effectively controls plant pathogens such as Erwinia amylovora (the causative agent of orchard fire blight) and Xanthomonas oryzae (a pathogen of rice disease).

Oleanolic aldehyde, an antimicrobial agent, effectively hinders the growth of oral pathogens Streptococcus mutans and Porphyromonas gingivalis, implicated in dental caries and periodontal disease. The compound exhibits minimum inhibitory concentrations (MICs) of 488 µg mL and 250 µg mL against these bacteria respectively [1].

Trans-Clovamide (trans-Clovamide) is a naturally occurring caffeoyl conjugate identified in the antioxidant polyphenolic fraction of cocoa (T. cacao L.) Trans-Clovamide is a potent antioxidantand that has shown neuroprotective effects (EC50s = 0.9-3.7 µM) in several in vitro models of neuronal death. Trans-Clovamide is an excellent ROS and oxygen radical scavenger and also has anti-inflammatory and neuroprotective effects. Clovamide is an anti-microbial with activity against the human pathogens influenza A subtype H5N1, Trypanosoma evansi, and Heliobacter pylori.

Taxoquinone has strong antibacterial effect, it could be used as a promising antibacterial agent in food industry to inhibit the growth of certain important foodborne pathogens. It (100 ug disc) displays potential anticandidal effect against Candia albica

Dihydroaeruginoic acid, an antibiotic sourced originally from P. fluorescens, exhibits antimicrobial efficacy in disc assays against diverse pathogens, including R. solani, P. ultimum, B. cinerea, S. rolfsii, C. gloeosporioides, F. oxysporum, and S. tritici fungi, along with B. subtilis, E. herbicola, and S. albus bacteria, at a concentration of 200 μg/disc.

Cyclo(Leu-Ala) (Cyclo(alanine-leucine)) is a compound with antimicrobial properties, isolated from microbes and effective in conjunction with other compounds against certain plant pathogens.

Derrone may be interesting antimicrobial agents to be used against infectious diseases caused by many pathogens. It is also a novel Aurora kinase inhibitor, it can significantly inhibit the formation and growth of MCF7 tumor spheroids.

FD-838 shows good antileishmanial and moderate anticancer activities, it can moderately inhibit the growth of cultured P388 and HL-60 cell lines. FD-838 has anti-fungal activity, it can significantly inhibit the growth of two plant fungal pathogens Botryt

l-Stephanine is a potent and highly selective alpha 1 adrenoceptor blocker, inhibits anococcygeus muscle contraction induced by phenylephrine with pA2 values of 6.76. Stephanine shows significant antiplasmodial activities with IC(50) ranged from 1.2 uM to 52.3 uM. Stephanine and crebanine have high inhibitory activity against gram-positive animal pathogenic bacteria, with MIC values of 0.078-0.312g l, but low inhibitory activity against gram-negative animal pathogenic bacteria, they also inhibit hyphal growth of the plant pathogens Cercospora kaki.

Maximin H1, an antimicrobial peptide sourced from the skin secretions of the Chinese red belly toad (Bombina maxima), exhibits efficacy against several pathogens, including Escherichia coli (ATCC25922), Staphylococcus aureus (ATCC2592), Bacillus pyocyaneus (CMCCB1010), and Candida albicans (ATCC2002). Corresponding minimum inhibitory concentration (MIC) values are 9, 4.5, 9, and 4.5 μg ml, respectively [1].

(+)-Columbianetin ((S)-Columbianetin) is a new phytoalexin associated with celery (Apium graveolens) resistance to pathogens during storage, it also has antifungal activity. (+)-Columbianetin has anti-inflammatory effects, it promotes histamine release, and inhibits the histamine release by substance P, suggests that it may be helpful in regulating mast cell-mediated allergic inflammatory responses. (+)-Columbianetin can be effectively used to protect keratinocytes from UVB induced damage.

Benz[g]isoquinoline-5,10-dione, an active component isolated from the ethanol extract of the aerial parts of Mitracarpus scaber, has been demonstrated through agar diffusion tests to exhibit significant in vitro inhibitory activity against AIDS-related pathogens. Additionally, it possesses notable antibacterial and antifungal properties.

Gypsogenic acid, a triterpenic acid isolated from Miconia stenostachya, exhibits antibacterial and antitrypanosomal activities. This compound demonstrates minimum inhibitory concentrations (MICs) ranging from 50-200 μg mL against oral bacterial pathogens including Enterococcus faecalis, Streptococcus salivarius, Streptococcus sanguinis, Streptococcus spp., and Streptococcus sobrinus. Additionally, gypsogenic acid can induce the lysis of Trypanosoma cruzi in isolated mouse blood, with an IC50 value of 56.6 μM.